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Themisto gaudichaudii
''Themisto gaudichaudii'' is an amphipod crustacean of the suborder Hyperiidea.
==Relatives==
The 260 species of hyperiid amphipods are large-eyed and planktonic amphipods, whereas gammarid amphipods have smaller eyes and tend to live on the sea floor. The handful of species of the genus ''Themisto'' are the most abundant of all amphipods. Unlike other hyperiids, which parasitise gelatinous animals such as salps and jellyfish, ''Themisto'' swims free in the plankton, and is much sleeker and more streamlined than other amphipods. ''Themisto'' often forms dense swarms, similar to krill swarms.
''Themisto gaudichaudii'' is a voracious predator of anything smaller than itself, and occasionally of animals its own size or larger. In most places, the most abundant members of the plankton community are copepods, which make up the bulk of the diet of ''T. gaudichaudii'', but it also eats fish larvae, chaetognaths, pteropods, juvenile krill, and anything else it comes across. The long limbs are folded against the body for swimming, and extend to catch prey in a similar way to the praying mantis.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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