Sharks are often portrayed as villains in popular culture, with movies like Jaws contributing to the misconception that they are bloodthirsty man-eaters. However, this misguided perception could not be further from the truth. In reality, many shark species are in grave danger of extinction, making them some of the most endangered animals on our planet.
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It is crucial that we take action to protect these fascinating creatures before it’s too late. In this article, we will examine the top 22 most endangered sharks in the world and explore what we can do to help protect them and ensure their survival for future generations to enjoy.
Key points
| # | Species | Common Name | Average Length | Maximum Length | Conservation Status |
| 1 | Whale Shark | Rhincodon typus | 39-41 feet(12-13 m) | Up to 60 feet (18 m) | Endangered |
| 2 | Great White Shark | Carcharodon carcharias | 15-20 feet(4.6-6.1 m) | Up to 20 feet (6.1 m) | Endangered |
| 3 | Scalloped Hammerhead | Sphyrna lewini | 7-10 feet(2.1-3 meters) | Up to 14 feet (4.3 m) | Endangered |
| 4 | Daggernose Shark | Isogomphodon oxyrhynchus | 3-4 feet(1-1.2 meters) | Up to 4.9 feet (1.5 m) | Critically Endangered |
| 5 | Ganges Shark | Glyphis gangeticus | 6.6-9.8 feet(2-3 m) | Up to 10 feet(3 m) | Critically Endangered |
| 6 | Angel Shark | Squatina squatina | 5-6.5 feet(1.5-2 meters) | Up to 8 feet(2.4 m) | Endangered |
| 7 | Pondicherry Shark | Carcharhinus hemiodon | 5-6 feet(1.5-1.8 m) | Up to 8 feet(2.4 m) | Critically Endangered |
| 8 | Basking Shark | Cetorhinus maximus | 20-26 feet(6-8 meters) | Up to 32 feet (10 m) | Vulnerable |
| 9 | Porbeagle Shark | Lamna nasus | 6.6-10 feet(2-3 m) | Up to 12 feet (3.7 m) | Vulnerable |
| 10 | Smoothback Angel Shark | Squatina oculata | 5-6.5 feet(1.5-2 m) | Up to 8 feet(2.4 m) | Endangered |
| 11 | Glyphis | Various | Various | Various | Critically Endangered |
| 12 | Squatina squatina | Angel Shark | 5-6.5 feet(1.5-2 m) | Up to 8 feet(2.4 m) | Critically Endangered |
| 13 | Striped Smooth-Hound | Mustelus fasciatus | 4-5 feet(1.2-1.5 m) | Up to 6.5 feet(2 m) | Least Concern |
| 14 | New Guinea River Shark | Glyphis sp. C | 6.5-8.2 feet(2-2.5 m) | Not well-documented | Critically Endangered |
| 15 | Sand Tiger Shark | Carcharias taurus | 6-10.5 feet(1.8-3.2 m) | Up to 11.5 feet (3.5 m) | Vulnerable |
| 16 | Great Hammerhead Shark | Sphyrna mokarran | 13-16 feet(4-5 m) | Up to 20 feet(6 m) | Endangered |
| 17 | Oceanic Whitetip Shark | Carcharhinus longimanus | 8-13 feet(2.5-4 m) | Up to 13-14 feet (4.3 m) | Vulnerable |
| 18 | Borneo Shark | Glyphis fowlerae | Around 2.5 meters | Up to 2.5 meters | Data Deficient (DD) |
| 19 | Speartooth Shark | Glyphis glyphis | 7-8 feet(2-2.5 m) | Up to 10 feet(3 m) | Critically Endangered |
| 20 | Smoothtooth Blacktip Shark | Carcharhinus leiodon | Not well-documented | Not well-documented | Critically Endangered |
| 21 | Dusky Shark | Carcharhinus obscurus | 9-11 feet(2.7-3.4 m) | Up to 13 feet(4 m) | Near Threatened |
| 22 | Irrawaddy River Shark | Glyphis siamensis | 6.6-7.9 feet(2-2.4 m) | Up to 9.8 feet(3 m) | Critically Endangered |
Introduction
Sharks are an essential part of our oceans, playing a vital role in maintaining the health of marine ecosystems. Unfortunately, research indicates that we are facing the loss of around a hundred million sharks annually by the end of the decade. These majestic creatures are in danger of extinction due to habitat loss and pollution, among other factors.
Commercial fishing boats indiscriminately kill sharks by the millions every year, an unsustainable practice that is severely impacting their populations. Coastal development is also taking a toll, destroying important shark habitats such as mangrove forests, seagrass beds, and coral reefs. It’s clear that urgent action is required to address these pressing threats to shark populations and the health of our oceans.
The 22 most endangered sharks list includes many types of sharks that you might not even have heard of!
#1 Whale Shark
| Category | Information |
| Species | Whale Shark (Rhincodon typus) |
| Size | Average Length: 39-41 feet (12-13 m) |
| Maximum Length: Up to 60 feet (18 m) | |
| Weight | Average Weight: 15-20 tons (30,000-40,000 lbs) |
| Maximum Weight: Over 40 tons (80,000 lbs) | |
| Coloration | Pale yellow spots and stripes on the back and sides |
| Warm, tropical, and subtropical waters, but can be found in temperate regions | |
| Mouth | Blue-grayish with a white belly |
| Feeding Behavior | Filter feeder, consuming plankton, small fish, and other microscopic organisms |
| Lifespan | Estimated 70-100 years |
| Habitat | Warm, tropical and subtropical waters, but can be found in temperate regions |
| Often seen near the surface, but can dive to great depths | |
| Conservation Status | Endangered |
The sheer size of the whale shark is truly awe-inspiring. As the largest shark species, these gentle giants can grow up to 40 feet in length and weigh up to 47,000 pounds! If you’re curious about just how massive they are, be sure to check out our dedicated article on the largest whale shark.
While their size may be intimidating, their diet is surprisingly small. These creatures feed primarily on plankton, making them harmless to humans. Unfortunately, the same cannot be said for humans towards whale sharks. The species is endangered due to overfishing and being caught as bycatch, as well as hunted for their meat, oil, and fins.
#2 Great White Shark
Great White Sharks have long been known as the most feared predator in the sea. Their powerful jaws and sharp teeth make them a force to be reckoned with. However, despite their fearsome reputation, these massive fish are in danger of extinction. There are several reasons for this, including overfishing, habitat loss, and human exploitation.
Great White Sharks, like many other animals, have been exploited by humans for years. Their jaws are used to make trophies, while their fins are used to make soup. This exploitation has contributed to the decline of great white shark populations all around the world. But there is hope. By regulating fisheries and banning the fin trade, we can work to reduce these threats and protect these incredible creatures.
#3 Scalloped Hammerhead
| Category | Information |
| Species | Scalloped Hammerhead shark (Sphyrna lewini) |
| Size | Average Length: 7-10 feet (2.1-3 meters) |
| Maximum Length: Up to 14 feet (4.3 meters) | |
| Weight | Average Weight: 200-300 pounds (90-136 kg) |
| Maximum Weight: Up to 450 pounds (204 kg) or more | |
| Coloration | Grayish-brown with a white or light-colored belly |
| Scalloped-shaped front margin of the hammer-shaped head | |
| Head | Unique hammer-shaped head, called a “cephalofoil” |
| Lifespan | Estimated 20-30 years |
| Habitat | Coastal and offshore waters worldwide |
| Often found in warm temperate and tropical seas | |
| Feeding Behavior | Carnivorous predator, feeding on fish, squid, octopus, |
| crustaceans, and occasionally small sharks and rays | |
| Social Behavior | Often found in schools, particularly when young |
| Conservation Status | Endangered |
The scalloped hammerhead shark is a magnificent creature that unfortunately finds itself on the brink of extinction. The largest of the hammerhead sharks, the scalloped hammerhead falls victim to overfishing by fisheries that catch them as by-catch and harvest their fins for shark fin soup. But there is a glimmer of hope for the scalloped hammerhead.
Supporting sustainable fisheries, pushing for stricter regulations on shark finning, and raising awareness of its plight can all contribute to protecting this species. By throwing our support behind research and conservation efforts, we can work to ensure that future generations will have the opportunity to marvel at the beauty of the scalloped hammerhead shark.
#4 Daggernose Shark
| Category | Information |
| Species | Daggernose Shark (Isogomphodon oxyrhynchus) |
| Size | Average Length: Approximately 3-4 feet (1-1.2 meters) |
| Maximum Length: Up to 4.9 feet (1.5 meters) | |
| Weight | Average Weight: Not well-documented |
| Coloration | Grayish-brown to bronze with a lighter underside |
| Head | Unique long, slender, and pointed snout, resembling a dagger |
| Lifespan | Estimated to be around 15-20 years |
| Habitat | Found in coastal waters and estuaries of the western Atlantic, particularly in Brazil and neighboring regions |
| Often inhabits shallow, nearshore environments | |
| Feeding Behavior | Likely feeds on small fish, crustaceans, and other invertebrates |
| Conservation Status | Critically Endangered |
The Daggernose shark, an endemic species to the coast of South Africa, is in critical danger of extinction. Overfishing, bycatch, and habitat loss are among the main threats that are pushing this shark to the edge of survival. Gillnets and trawl fisheries often catch the Daggernose shark as a bycatch, and the South African shark finning industry puts this species at the center of its trade.
It is essential to implement management measures to tackle these pressing issues and reduce the incidental catch of the Daggernose shark. Along with this, more studies are required to gain a deeper understanding of the ecology and life history of the species and, in turn, protect it better. Public awareness and education about this and other endangered species are also crucial in generating support for conservation efforts.
#5 Ganges Shark
| Category | Information |
| Species | Ganges Shark (Glyphis gangeticus) |
| Size | Average Length: Approximately 6.6 to 9.8 feet (2 to 3 meters) |
| Maximum Length: Up to 10 feet (3 meters) or more | |
| Weight | Average Weight: Not well-documented |
| Coloration | Grayish-brown with a lighter belly |
| Head | Short, broad snout |
| Lifespan | Estimated to be around 25-30 years |
| Habitat | Restricted to freshwater river systems in South Asia, including the Ganges, Brahmaputra, and Mahanadi River basins |
| Feeding Behavior | Carnivorous, likely preying on fish and other aquatic organisms |
| Conservation Status | Critically Endangered |
The Ganges River in India is the exclusive home of the Ganges shark – one of the four rare species of freshwater sharks. As an apex predator, the Ganges shark plays a significant role in the river’s ecosystem by preying on various fish, including catfish, eels, and even other sharks. Its extinction would have a massive impact on the food web of the Ganges River, and consequently, the entire ecosystem.
Sadly, human activities such as damming for hydroelectric projects, pollution, overfishing, and water usage are putting this species at risk. The Ganges shark is now on the IUCN’s list of most endangered species. Thankfully, Indian law provides protection for these sharks, but more still needs to be done to save them. The Ganges shark, being the only species known to inhabit this river, deserves our immediate and urgent attention to ensure its survival.
#6 Angel Shark
| Category | Information |
| Species | Angel Shark (Squatina squatina) |
| Size | Average Length: Approximately 5 to 6.5 feet (1.5 to 2 meters) |
| Maximum Length: Up to 8 feet (2.4 meters) or more | |
| Weight | Average Weight: Approximately 77 to 132 pounds (35 to 60 kg) |
| Coloration | Usually brown or gray with lighter underside |
| Body Shape | Broad, flattened body with broad pectoral fins that resemble wings |
| Lifespan | Estimated to be around 25-35 years |
| Habitat | Found in the coastal and continental shelf waters of the Eastern Atlantic and the Mediterranean Sea |
| Often found on sandy or muddy bottoms | |
| Feeding Behavior | Carnivorous, feeding on a variety of bony fish, crustaceans, and cephalopods |
| Conservation Status | Endangered |
The Angel Shark, a unique and mysterious species inhabiting the waters off the coast of California, is in danger of disappearing forever. With only a small population of 200-300 sharks left in the wild, it is imperative that we take action to ensure their survival.
Unfortunately, the Angel Shark faces numerous threats, such as overfishing, bycatch, and habitat loss. However, there is hope. By raising awareness of the Angel Shark’s plight, reducing bycatch and habitat loss, and supporting research and conservation efforts, we can make a difference.
#7 Pondicherry Shark
| Category | Information |
| Species | Pondicherry Shark (Carcharhinus hemiodon) |
| Size | Average Length: Approximately 5-6 feet (1.5-1.8 meters) |
| Maximum Length: Up to 8 feet (2.4 meters) or more | |
| Weight | Average Weight: Not well-documented |
| Coloration | Grayish-brown with a lighter belly |
| Lifespan | Estimated to be around 25-30 years |
| Habitat | Previously found in the coastal waters of the Bay of Bengal |
| Often inhabited shallow, nearshore environments | |
| Feeding Behavior | Likely fed on small fish, crustaceans, and other invertebrates |
| Conservation Status | Critically Endangered |
The Pondicherry shark is a fascinating and unique species that has sadly found itself on the brink of extinction. With an estimated population of only 250-270 individuals, it is one of the rarest and most endangered sharks in the world. Sadly, unsustainable fishing practices, including bycatch and finning, are the primary threats to this remarkable creature.
If we want to help protect the Pondicherry shark and its habitat, we must support conservation efforts to ease fishing pressure and reduce bycatch. Advocating for stronger protections for this species is also essential. Furthermore, conscientiously monitoring our seafood consumption and avoiding products that might contribute to the decline of this beautiful shark is a good way to prevent its extinction.
#8 Basking Shark
| Category | Information |
| Species | Basking Shark (Cetorhinus maximus) |
| Size | Average Length: Approximately 20-26 feet (6-8 meters) |
| Maximum Length: Up to 32 feet (10 meters) or more | |
| Weight | Average Weight: Around 5-7 tons (10,000-14,000 pounds) |
| Maximum Weight: Up to 8 tons (16,000 pounds) or more | |
| Coloration | Grayish-brown to blackish with a lighter underside |
| Mouth | Large mouth, approximately 3.3 feet (1 meter) wide |
| Feeding Behavior | Passive filter-feeder, mainly consuming plankton, small fish, and other microscopic organisms by filtering water through its gill rakers |
| Lifespan | Estimated to be around 50 years or more |
| Habitat | Found in temperate and cold waters worldwide |
| Often observed near the surface, but can dive to significant depths | |
| Conservation Status | Vulnerable |
The Basking shark is a gentle giant of the sea, navigating our oceans with its massive mouth agape, filtering for tiny bits of plankton. Sadly, this magnificent creature is currently an endangered species and faces several threats to its survival. Overfishing of the species for its fins and oil is a major problem, as well as the accidental capture of Basking sharks in nets meant for other fish.
Additionally, habitat loss due to factors such as pollution and climate change put the Basking shark in danger. To help preserve the Basking shark’s habitat, we can support conservation efforts like reducing bycatch and habitat loss. These simple steps can go a long way in ensuring the Basking shark’s survival in our oceans.
#9 Porbeagle Shark
| Category | Information |
| Species | Porbeagle Shark (Lamna nasus) |
| Size | Average Length: Approximately 6.6 to 10 feet (2 to 3 meters) |
| Maximum Length: Up to 12 feet (3.7 meters) or more | |
| Weight | Average Weight: Approximately 440 to 660 pounds (200 to 300 kg) |
| Maximum Weight: Up to 1000 pounds (450 kg) or more | |
| Coloration | Grayish to bluish-gray on the upper body with a white belly |
| Teeth | Sharp and serrated, adapted for catching and holding prey |
| Lifespan | Estimated to be around 30-40 years or more |
| Habitat | Found in cold and temperate waters of the Atlantic, Pacific, and Indian Oceans |
| Prefers deep waters but can be found in coastal regions | |
| Feeding Behavior | Carnivorous, preying on a variety of fish and cephalopods |
| Reproduction | Viviparous, giving birth to live young after internal fertilization |
| Conservation Status | Vulnerable |
The Porbeagle shark is a remarkable creature that inhabits both temperate and cold waters across the globe. Unfortunately, the decline in their population over the past few decades is a cause for great concern. These majestic animals are highly sought after for their meat, fins, and oil, which means they are heavily hunted. What many people don’t realize is that their actions are contributing to the decline of these sharks.
This is where we come in. It’s time to move away from the mindset of hunting and exploiting these creatures and instead embrace the idea of protecting them. We must raise awareness of their situation and do what we can to support conservation efforts that are working to reduce the demand for shark products.
#10 Smoothback Angel Shark
| Category | Information |
| Family | Squatinidae |
| Habitat | Sandy or muddy habitats in shallow waters, coastal areas, continental shelves, and estuaries |
| Physical Characteristics | Flattened body shape with broad pectoral fins resembling wings |
| Short snout with barbels on lower jaws | |
| Feeding Behavior | Opportunistic predators, feeding on small bony fish, crustaceans, and other bottom-dwelling invertebrates |
| Reproduction | Ovoviviparous – giving birth to live young after eggs hatch internally |
| Conservation Status | Some species are endangered or vulnerable due to overfishing, habitat degradation, and bycatch |
The Porbeagle shark is a magnificent creature that deserves our protection. They are found in both temperate and cold waters, and their populations have been declining over the past few decades due to overhunting. Many people are unaware that their consumption of shark products, such as meat, fins, and oil, has contributed to the decline of these majestic animals.
It’s time to shift our mindset away from hunting them and focus on conservation efforts that will reduce demand for products made from their bodies. As responsible stewards of this planet, it’s our duty to ensure that we leave it in a better state than when we found it.
#11 Squatina Squatina
| Category | Information |
| Species | Squatina squatina |
| Common Name | Angel Shark |
| Size | Average Length: Approximately 5 to 6.5 feet (1.5 to 2 meters) |
| Maximum Length: Up to 8 feet (2.4 meters) or more | |
| Weight | Average Weight: Approximately 440 to 660 pounds (200 to 300 kg) |
| Maximum Weight: Up to 1000 pounds (450 kg) or more | |
| Coloration | Grayish-brown to blackish with a lighter underside |
| Physical Characteristics | Broad, flattened body with broad pectoral fins that resemble wings |
| Habitat | Found in various regions of the Eastern Atlantic Ocean and the Mediterranean Sea |
| Inhabits sandy or muddy bottoms, as well as seagrass and rocky areas | |
| Feeding Behavior | Carnivorous, preying on a variety of fish and cephalopods |
| Conservation Status | Critically Endangered |
The Squatina Squatina, also known as the Angel Shark, is a species of shark found in the Mediterranean Sea and the Atlantic Ocean. Despite its unique appearance and critical role in maintaining the food chain, the Squatina Squatina is threatened with extinction due to overfishing, pollution, and habitat loss. Unfortunately, this slow-reproducing shark is particularly vulnerable to overfishing, making it crucial for us to support sustainable fishing practices to prevent further depletion of the species.
We also need to do our part by reducing pollution and properly disposing of waste, as it not only harms the Squatina Squatina but contaminates the water and affects its food supply. It’s time that we take action to help protect the Squatina Squatina and preserve our precious ocean ecosystems.
#12 Glyphis
| Species | Common Name | Habitat | Conservation Status |
| Glyphis gangeticus | Ganges Shark | Ganges and Brahmaputra River systems in South Asia (India, Bangladesh) | Critically Endangered |
| Glyphis siamensis | Irrawaddy River Shark | Irrawaddy River in Southeast Asia (Myanmar, Thailand) | Critically Endangered |
| Glyphis garricki | Northern River Shark | River systems in northern Australia | Critically Endangered |
| Glyphis glyphis | Speartooth Shark | Northern Australia and southern New Guinea | Critically Endangered |
The Glyphis, a fascinating and unique species of river dolphin found in Australia and southern New Guinea, is sadly endangered due to a number of threats. A major concern is entanglement in fishing gear, which can trap and injure these dolphins. Pollution also poses a major threat, as it can contaminate the waters in which they live and impact their health.
Habitat loss is another key factor in their endangerment, as their natural homes are increasingly under threat of being destroyed or fragmented. Luckily, there are various conservation efforts underway to help the Glyphis recover. In particular, reducing pollution and increasing awareness of their importance are key steps in their recovery.
#13 Striped Smooth-Hound
| Category | Information |
| Species | Striped Smooth-Hound (Mustelus fasciatus) |
| Common Name | Striped Smooth-Hound |
| Size | Average Length: Approximately 4 to 5 feet (1.2 to 1.5 meters) |
| Maximum Length: Up to 6.5 feet (2 meters) or more | |
| Weight | Average Weight: Approximately 20 to 40 pounds (9 to 18 kg) |
| Maximum Weight: Up to 50 pounds (22 kg) or more | |
| Coloration | Grey or brown with distinct dark stripes along its body, especially on its back and sides |
| Habitat | Found in shallow coastal waters of the Western Atlantic Ocean, from Massachusetts (USA) to Argentina |
| Often inhabits sandy or muddy bottoms | |
| Feeding Behavior | Carnivorous, feeding on small fish, crustaceans, and other bottom-dwelling invertebrates |
| Reproduction | Ovoviviparous – giving birth to live young after eggs hatch internally |
| Conservation Status | Least Concern |
The Striped Smooth-Hound is a fascinating species of hound shark that can be found in the western Atlantic Ocean. Unfortunately, this amazing creature faces some serious challenges. It is often caught as bycatch in gillnets and trawls, which only adds to the pressures it faces. Additionally, demand for this species in the live fish trade only serves to exacerbate the situation.
Fortunately, there are things we can all do to help support the Striped Smooth-Hound. By adopting sustainable fishing practices and buying fish that are caught using methods that don’t harm other marine life, we can minimize our impact. We can also raise awareness about this endangered species by sharing information with others and supporting conservation efforts.
#14 New Guinea River Shark
| Category | Information |
| Species | Glyphis sp. C (New Guinea River Shark) |
| Common Name | New Guinea River Shark |
| Size | Estimated to be around 6.5 to 8.2 feet (2 to 2.5 meters) |
| Weight | Not well-documented |
| Habitat | Found in the freshwater river systems of New Guinea (Papua New Guinea and Papua Province of Indonesia) |
| Feeding Behavior | Carnivorous, likely preying on fish and other small aquatic organisms |
| Conservation Status | Critically endagered |
The New Guinea River Shark is a fascinating species that is found exclusively in the waters of New Guinea. Unfortunately, this unique species is facing several threats that put its survival at risk. Habitat loss, overfishing, and pollution all contribute to the challenges that the New Guinea River Shark faces.
But we can make a difference to help this shark. Through simple actions such as being mindful about the impact of our actions on the environment and supporting protective policies and measures, we can do our part to protect this species and its habitat. It is up to us to take action and ensure the survival of this magnificent and distinctive shark.
#15 Sand Tiger Shark
| Category | Information |
| Species | Sand tiger shark (Carcharias taurus) |
| Other Names | Grey Nurse shark, Spotted Ragged-Tooth shark |
| Size | Average Length: 6 to 10.5 feet (1.8 to 3.2 meters) |
| Maximum Length: Up to 11.5 feet (3.5 meters) or more | |
| Weight | Average Weight: Around 200 to 350 pounds (90 to 159 kg) |
| Coloration | Brownish-gray or bronze with distinctive dark spots and ragged, protruding teeth |
| Habitat | Found in coastal and offshore waters of temperate and subtropical regions worldwide |
| Often seen near rocky reefs, shipwrecks, and underwater structures | |
| Feeding Behavior | Predatory, primarily feeding on fish and cephalopods |
| Behavior | Relatively docile but may look intimidating due to its large teeth; it is not known to be a threat to humans |
| Conservation Status | Vulnerable |
The sand tiger shark, a large species found throughout a vast region of the western Atlantic Ocean, is a unique and fascinating creature. Females of the species can reach lengths of up to 13 feet, surpassing their male counterparts in size. Although they are slow-moving and tend to stay near the ocean’s bottom, the sand tiger shark is an important part of the ecosystem.
Unfortunately, overfishing and habitat loss put the species at great risk. The shark is often hunted for its fins, used in the production of shark fin soup, and is frequently caught as a bycatch in fisheries. As individuals, we can do our part to help support conservation efforts and avoid purchasing products made from shark fins. It is crucial that we take action to protect this magnificent creature and maintain a healthy ocean ecosystem.
#16 Great Hammerhead Shark
| Category | Information |
| Species | Great Hammerhead Shark (Sphyrna mokarran) |
| Size | Average Length: 13 to 16 feet (4 to 5 meters) |
| Maximum Length: Up to 20 feet (6 meters) or more | |
| Weight | Average Weight: Approximately 500 to 1,000 pounds (227 to 454 kg) |
| Maximum Weight: Up to 1,300 pounds (590 kg) or more | |
| Coloration | Grayish-brown to olive-green with a white belly |
| Head | Distinctive hammer-shaped head (cephalofoil) |
| Habitat | Found in coastal and offshore waters worldwide |
| Often found near the coast and in deep waters | |
| Feeding Behavior | Carnivorous, preying on a variety of fish, squid, octopus, and other marine animals |
| Social Behavior | Generally solitary, but aggregations can occur at specific locations and during mating seasons |
| Conservation Status | Endangered |
The great hammerhead shark is arguably one of the most majestic creatures in the sea. Unfortunately, this species is facing numerous threats that endanger its very existence. Overfishing and bycatch are perhaps the greatest of these threats, as they directly impact the hammerhead shark’s population numbers.
But that’s not all – coastal development and pollution are also taking a heavy toll on the hammerhead’s habitat. It’s time for us to take action and do our part in helping this magnificent creature thrive once again. We can start by cleaning up our coastlines and reducing pollution to create a healthier environment for the great hammerhead shark.
#17 Oceanic Whitetip Shark
| Category | Information |
| Species | Oceanic Whitetip Shark (Carcharhinus longimanus) |
| Size | Average Length: Approximately 8 to 13 feet (2.5 to 4 meters) |
| Maximum Length: Up to 13 to 14 feet (4 to 4.3 meters) | |
| Weight | Average Weight: Around 350 to 660 pounds (159 to 300 kg) |
| Coloration | Bluish-gray to bronze on the upper body with a white belly and distinctive white-tipped fins |
| Habitat | Found in warm oceanic waters around the world |
| Pelagic species, often far from shore and in open ocean environments | |
| Feeding Behavior | Opportunistic and primarily scavenger in nature |
| Feeds on a variety of prey, including small fish, squid, crustaceans, and carrion | |
| Social Behavior | Solitary and occasionally forms loose aggregations |
| Conservation Status | Vulnerable |
The ocean is home to many beautiful and majestic creatures, including a type of shark that is in danger of extinction. It is estimated that only 300-500 of these sharks remain in the wild, and sadly, overfishing is causing their population to dwindle. The demand for their fins in the Asian market, where they are used in shark fin soup, is driving their endangerment.
This cruel practice involves capturing the sharks and removing their fins while they are still alive. It is up to us to take action and stop this inhumane treatment of these amazing creatures. By supporting organizations that are fighting against finning and boycotting restaurants that serve shark fin soup, we can make a difference. Together, we can raise awareness and educate others on the importance of preserving these majestic animals for future generations to enjoy.
#18 Borneo Shark
The Borneo shark thrives in the waters surrounding the island of Borneo, but unfortunately, it is listed as endangered due to overfishing and habitat loss. Although it may not be the largest shark, it is certainly an important predator in its environment, preying on fish, squid, and octopuses.
However, without intervention, the Borneo shark may soon disappear from the region entirely. It is vital that we work towards protecting this species by reducing the bycatch of this shark by fisheries, minimizing habitat loss through careful coastal development, and raising awareness of the perilous situation of this shark to generate support.
#19 Speartooth Shark
| Category | Information |
| Species | Speartooth Shark (Glyphis glyphis) |
| Other Names | None |
| Size | Average Length: Approximately 7 to 8 feet (2 to 2.5 meters) |
| Maximum Length: Up to 10 feet (3 meters) or more | |
| Weight | Average Weight: Not well-documented |
| Coloration | Grayish-brown to bronze on the upper body with a lighter belly |
| Habitat | Found in the rivers and estuaries of northern Australia and southern New Guinea |
| Prefers freshwater habitats | |
| Feeding Behavior | Carnivorous, preying on fish and other aquatic organisms |
| Conservation Status | Critically Endangered |
The Speartooth Shark is a fascinating creature that plays a critical role in the balance of the marine ecosystem. Unfortunately, due to overfishing and the desire for their fins, this species now hovers on the brink of extinction, with only a few hundred left in the wild.
We have the power to protect this remarkable creature by refusing to purchase products made from their fins and supporting conservation efforts. By spreading awareness and education about their plight, we can build a strong foundation of support to ensure their survival.
#20 Smoothtooth Blacktip Shark
The Smoothtooth Blacktip Shark, with its sleek profile and formidable hunting skills, is under threat from overfishing and habitat loss. This species plays a crucial role in the Indian and Pacific Oceans coral reefs, where it preys on fish, octopuses, and squid, keeping populations in check and maintaining a delicate balance in the ecosystem.
Its disappearance would be catastrophic, leading to an imbalance within the coral reef food chain and causing cascading effects throughout the entire ecosystem. We can help protect this magnificent creature by taking simple but effective actions such as reducing our consumption of seafood, supporting sustainable fisheries, and protecting and restoring coral reefs.
#21 Dusky Shark
| Category | Information |
| Species | Dusky Shark (Carcharhinus obscurus) |
| Size | Average Length: Approximately 9 to 11 feet (2.7 to 3.4 meters) |
| Maximum Length: Up to 13 feet (4 meters) or more | |
| Weight | Average Weight: Around 400 to 790 pounds (181 to 358 kg) |
| Maximum Weight: Up to 1,100 pounds (500 kg) or more | |
| Coloration | Brown to grayish-brown with a white or light-colored underside |
| Habitat | Found in tropical and temperate waters worldwide |
| Often seen near the coast, but can be found offshore as well | |
| Feeding Behavior | Predatory, feeding on a variety of fish and cephalopods |
| Social Behavior | Generally solitary and not known for forming large groups |
| Conservation Status | Near Threatened |
The Dusky Shark is a powerful and fearsome creature that prowls the coastal waters of the world. Unfortunately, its aggressive nature has made it one of the most dangerous to humans, leading to recreational and commercial fisheries targeting these majestic animals. As a result, the Dusky Shark is now one of the most endangered sharks on the planet.
Overfishing and the barbarous practice of shark finning are the main culprits for the Dusky Shark’s dwindling numbers. Despite their size and fearsomeness, these sharks have a slow reproductive rate and cannot keep up with such high mortality levels. To protect these creatures, one must first raise awareness about the importance of conserving them and the dire need for improved shark conservation and protection laws.
#22 Irrawaddy River Shark
| Category | Information |
| Species | Irrawaddy River Shark (Glyphis siamensis) |
| Other Names | None |
| Size | Average Length: Approximately 6.6 to 7.9 feet (2 to 2.4 meters) |
| Maximum Length: Up to 9.8 feet (3 meters) or more | |
| Weight | Average Weight: Not well-documented |
| Coloration | Grayish-brown to bronze on the upper body with a lighter belly |
| Habitat | Found in the Irrawaddy River and its estuaries in Myanmar and Thailand |
| Feeding Behavior | Carnivorous, preying on fish, crustaceans, and other small aquatic organisms |
| Conservation Status | critically Endagered |
The Irrawaddy River Shark is a fascinating but critically endangered species of shark that inhabits the Irrawaddy River in Myanmar. It is one of the few sharks in the world that lives in rivers, making it a truly unique species. Unfortunately, the primary threat to this remarkable creature is human activity. Overfishing, particularly bycatch in gillnet and trawl fisheries, has pushed the species to the brink of extinction.
As a result, the IUCN has listed the Irrawaddy River Shark as “critically endangered” and has called for urgent conservation measures to protect it from extinction. The survival of this amazing species of shark depends on our actions, and it’s high time we worked together to save it from the brink of extinction.
Frequently Asked Questions (FAQs)
What makes sharks endangered?
Sharks are currently facing multiple threats that have led to their endangered status. Among these threats, overfishing stands out as a major concern, with sharks being specifically targeted for their fins, meat, and other valuable products. Another significant problem is bycatch, where sharks get unintentionally caught in fishing gear that is primarily meant for other species. Furthermore, the destruction of their habitats, pollution, and the impacts of climate change are also playing a crucial role in the decline of shark populations.
How many shark species are endangered?
As of September 2021, the International Union for Conservation of Nature (IUCN) Red List has categorized over 180 shark species as either threatened or near-threatened. This classification includes species that are critically endangered, endangered, and vulnerable. This alarming status highlights the urgent need for conservation efforts to protect these vulnerable creatures and ensure their survival for future generations.
Why are sharks important?
Sharks hold a vital role in the preservation and equilibrium of marine ecosystems. As apex predators, they play a significant part in regulating the populations of their prey species, thereby influencing the entire structure of the marine food web. The presence of healthy shark populations is indispensable for the well-being of marine ecosystems and the various species that depend on them. Their conservation is crucial to maintaining the delicate balance of life beneath the waves.
What happens if sharks go extinct?
As apex predators, sharks play a crucial role in controlling the populations of prey species. If sharks were to disappear, there would be nothing to regulate the populations of certain species, leading to potential overpopulation of those prey species. This disruption, known as a “trophic cascade,” can have cascading effects throughout the entire marine food web.
With an uncontrolled increase in certain prey species, their consumption of other organisms lower down the food chain would escalate. This could result in the decline or depletion of those species, affecting the next level of the food web, and so on. Ultimately, this trophic cascade effect can lead to significant imbalances in marine ecosystems, causing a ripple effect of negative consequences on various species and the overall ecological structure.
Final Word
Sharks are some of the most fascinating creatures on Earth, but unfortunately, many species are at risk of disappearing forever. In fact, this article lists 22 of the most endangered sharks in the world. All of these species are endangered mainly due to overfishing, habitat loss, and finning. While these animals may be intimidating, they are actually in desperate need of our assistance.
It is essential that we take responsibility for helping these creatures continue to thrive in the world’s oceans as they play a vital role in marine ecosystems. By creating new technologies and finding new ways to protect the ocean, humans can work towards building a brighter future for sharks, our oceans, and ourselves. The decrease in shark populations also has a considerable impact on the shark cage diving industry.
Reference:
- https://sharkangels.org/the-top-10-most-critically-endangered-sharks-and-rays/
- https://blog.nature.org/2018/07/23/meet-the-worlds-10-most-endangered-sharks/
- https://shark-research.com/blog/news-from-the-marine-world/most-endangered-shark-species-in-the-world-today/
A motivated philosophy graduate and student of wildlife conservation with a deep interest in human-wildlife relationships, including wildlife communication, environmental education, and conservation anthropology. Offers strong interpersonal, research, writing, and creativity skills.
