Polymixia longispina is a deep-sea fish characterized by its elongated dorsal fin spines and silvery body. It typically inhabits depths of 200-600 meters in tropical and subtropical oceans. Reaching up to 12 inches in length and weighing around 1 pound, it feeds on small crustaceans and plankton. This species exhibits solitary behavior, often found near the ocean floor.
This summary is AI generated