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Named for their exceptionally long, thresher-like heterocercal tail or caudal fins (which can be as long as the total body length), thresher sharks are active predators; the tail is used as a weapon to stun prey. [12] [13] The thresher shark has a short head and a cone-shaped nose.
Numerous accounts have been given of common threshers using the long upper lobes of their tail fins to stun prey, and they are often snagged on longlines by their tails after presumably striking at the bait. In July 1914, shark-watcher Russell J. Coles reported seeing a thresher shark use its tail to flip prey fish into its mouth, and that one ...
The tail of a shark consists of the caudal peduncle and the caudal fin, which provide the main source of thrust for the shark. Most sharks have heterocercal caudal fins, meaning that the backbone extends into the (usually longer) upper lobe. The shape of the caudal fin reflects the shark's lifestyle, and can be broadly divided into five categories:
The Bluntnose sixgill shark is one of four shark species that have six gill pairs. Other three are - Frilled shark (Chlamydoselachus anguineus), Bigeyed sixgill shark (Hexanchus nakamurai) [4]) and Atlantic sixgill shark (Hexanchus vitulus) The bluntnose sixgill shark has a large body and long tail. The snout is blunt and wide, and its eyes are ...
A video shows a huge and vulnerable thresher shark washing up on a beach in Queens, New York, on Monday afternoon. Witness Zoe Berger took the 32-second video of the fish on the sand struggling to ...
The largest reported longfin mako was a 4.3-metre-long (14 ft) female caught off Pompano Beach, Florida, in February 1984. [11] Large specimens can scale over 200 kg (440 lb). [13] This species has a slim, fusiform shape with a long, pointed snout and large eyes that lack nictitating membranes (protective third eyelids). Twelve to 13 tooth rows ...
Thresher sharks are large sharks found in temperate and tropical oceans around the world. The common name refers to its distinctive, thresher-like tail or caudal fin which can be as long as the body of the shark itself. Cetorhinidae: Basking sharks: 1 1
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