Gymnocanthus herzensteini is a small marine fish known for its distinctive mottled coloration and spiny dorsal fins. Typically reaching about 8 inches in length and weighing up to 0.5 pounds, it inhabits cold, coastal waters. This species primarily feeds on small crustaceans and benthic invertebrates. It exhibits solitary behavior, often camouflaging itself among rocks and seaweed.
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