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The pelagic thresher (Alopias pelagicus) is a species of thresher shark, family Alopiidae; this group of sharks is characterized by the greatly elongated upper lobes of their caudal fins. The pelagic thresher occurs in the tropical and subtropical waters of the Indian and Pacific Oceans , usually far from shore, but occasionally entering ...
The thresher shark mainly feeds on schooling pelagic fish such as bluefish, juvenile tuna and mackerel, which they are known to follow into shallow waters, as well as squid and cuttlefish. [16] Crustaceans and occasionally seabirds are also eaten. The thresher shark stuns its prey by using its elongated tail as a whipping weapon.
Family Alopiidae Bonaparte, 1838 (thresher sharks) Genus Alopias Rafinesque, 1810. Alopias pelagicus Nakamura, 1935 (pelagic thresher) Alopias superciliosus R. T. Lowe, 1841 (bigeye thresher) Alopias vulpinus (Bonnaterre, 1788) (common thresher) Family †Anacoracidae Capetta, 1987 (extinct, Cretaceous period) Genus †Squalicorax (crow sharks)
To start, you can see a whole host of magical marine creatures up close and personal, thanks to its 135,000-gallon shark habitat where seahorses, sea jellies, otters, and sea turtles thrive.
The longfin mako is a pelagic species found in moderately deep water, having been reported to a depth of 220 m (720 ft). Growing to a maximum length of 4.3 m (14 ft), the slimmer build and long, broad pectoral fins of this shark suggest that it is a slower and less active swimmer than the shortfin mako.
The largest male white shark ever tagged by the research group OCEARCH was spotted in Florida waters. The shark, named Contender, was first tagged and released by OCEARCH on Jan. 17.
An allozyme analysis conducted by Blaise Eitner in 1995 showed that the closest relative of the bigeye thresher is the pelagic thresher (A. pelagicus), with which it forms a clade. [8] Fossil remains of the bigeye thresher dating to the Middle Miocene (16.0–11.6 Ma ) have been found in the Hokuriku region of Japan .
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