Ophiodon Oxylebius Pleurogrammus Most hexagrammids are small to moderate in size, averaging around 50 cm, although the lingcod can be much larger. Like many other scorpaeniform species, they have broad, spiny pectoral, dorsal, and anal fins. They are scavengers but also catch and eat small fish and bottom-dwelling animals such as crabs. They can b... Found on http://en.wikipedia.org/wiki/Hexagrammidae