Thresher sharks have the upper lobe of the caudal fin
as long as the body. It is used to help encircle and stun small
fish & squid while feeding. Typically found in the open ocean,
often caught by tuna & swordfish longline boats and sold as bycatch.
HAWAII
Alopias pelagicus
Hawaii Institute of Marine Biology
Hawaii Institute of Marine Biology
PELAGIC THRESHER SHARK
Occupies surface waters of the open ocean. Blue-black with a
white belly. Attains 11 feet. Warm seas
worldwide.