Thresher shark (Hawaiian: mano hi‘uka or mano laukahi‘u)

Alopias pelagicus
Image of Thresher Shark

Length Up to about 11 ft, generally under 10 ft
Description Very long tail, almost as long as rest of body; bluish-black dorsally becoming lighter on sides, off-white ventrally with white coloration not extending above pectoral insertions
Food Eats squid and bony fishes; stuns prey with tail before feeding
Habitat Pelagic waters from the surface to depths of over 500 ft