Hogfish

The hogfish possesses a very elongated snout, which it uses to search for crustaceans buried in the sediment. This very long "pig-like" snout and its rooting behavior give the hogfish its name. A prominent black spot behind the pectoral fins differentiates males from females. The dorsal fin usually is composed of three or four long dorsal spines followed by a series of shorter dorsal spines. Hogfish reach a maximum of 90 cm (35 in) in total length and a weight around 11 kg (24 lb). Females and juveniles usually start out as pale gray, brown, or reddish-brown in color, with a paler underside and no distinct patterns. Males are distinguished by a deep, dark band spanning from the snout to the first dorsal spine, and by a lateral black spot behind the pectoral fins. Hogfish also have a form of active camouflage with the assist of dermal photoreception, a sensory capability allowing them to detect light through their skin. Specialized cells containing opsins, located beneath chromatophores, enable hogfish to perceive changes in ambient light.