Average adult size: Adults can grow to be 6 inches long.

Natural history: Little is known of the biology of the Orangethroat Pikeblenny. They are typically seen with just their head extending from the parchment-like tube of marine worms. Extremely territorial, they aggressively defend their worm tube and the immediate area. They feed on small crustaceans.

Range: from the Gulf of California north to Anacapa Island.