The Longspine thornyhead is a deep-sea fish characterized by its spiny dorsal fins and bright red coloration. It typically inhabits the continental slope at depths of 650 to 3,300 feet. Measuring up to 18 inches and weighing around 4 pounds, it feeds on crustaceans and small fish. Known for its sedentary behavior, it often remains motionless on the seafloor.
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