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Thresher Sharks

Thresher Sharks are a migrating species of shark meaning they pass through the waters of Cornwall during the summer months but are found 10+ miles offshore
White waves
White waves

About Thresher Sharks

Scientific Name: Alopias

Thresher Sharks are found more in the open sea as they prefer deeper waters for better hunting opportunities and tend to stray away from the coastal waters close to Cornwall. In deeper waters they herd smaller shoaling fish into a tight circle, then swim at high speeds and thrash their tail like a whip, stunning the fish and making them easy targets. Thresher Sharks have evolved to survive in colder waters, using endothermy – generating their own body heat with a specialised system of heat exchange. For more fun Thresher shark facts, read on…

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thresher shark cornwall

50 years

Average Lifespan

Fish

Diet

Declining

Population

Did you know?

Thresher Sharks’ tails makeup around half the length of their entire body, and can reach up to 3 metres long!

thresher shark face

How often do you see Thresher Shark on a boat trip?

Book a boat trip and you might get lucky to see one of these fantastic creatures in our Cornish waters. Sharks are not a common sighting on our trips as they do not need to surface to breathe like whales and dolphins do, and tend to stick to deeper waters, but every trip is different and you never know what you might see. Experience our boat trips and keep your eyes open and you might just get lucky.

Blue waves
Blue waves

FAQs about Thresher Sharks

What is a thresher shark?

Thresher shark is a species of shark that is known for its long, scythe-like tail fin which it uses to herd and stun schools of small fish. They belong to the shark family Alopiidae.

Where are thresher sharks found?

Thresher sharks are found in temperate and tropical waters worldwide. They are generally found in open ocean areas near continental shelves, islands, and seamounts, but can also be seen close to shore in some regions. Some of the places where thresher sharks are commonly found include the Atlantic Ocean, the Indian Ocean, the Pacific Ocean, and the Mediterranean Sea.

What do thresher sharks eat?

Thresher sharks primarily feed on small pelagic fish. They have also been known to feed on squid and crustaceans.

How long do thresher sharks live?

The lifespan of thresher sharks is not well understood, but it is estimated to be between 20 and 50 years.

How do thresher sharks reproduce?

Thresher sharks are ovoviviparous, meaning the pups grow within eggs inside the body and then the female will give birth to them once they hatch out. Female thresher sharks can produce several litters over the course of their lifetime.

Are thresher sharks endangered?

Thresher sharks are considered to be vulnerable by the International Union for Conservation of Nature (IUCN) due to overfishing and bycatch in commercial fishing operations. The species is also vulnerable to habitat degradation and destruction, as well as climate change and ocean acidification.

How fast are thresher sharks?

Thresher sharks are relatively fast swimmers and are capable of reaching speeds of up to 37 mph, however, they cannot sustain speed while swimming and generally swim at a more leisurely pace.

More of cornwall's amazing sealife...

Padstow Sealife Safaris give you the chance to get up close and personal with these fascinating creatures. Depending on the time of year that you choose to visit, you’ll have the chance to see a number of different species.