This fish has a very large head with a tapering body. It has a large suction disk on its underside, allowing it to cling to surfaces.
Habitat
Rocky habitats from the intertidal, including tidepools and cobble beaches, to depths of 459 feet, underneath rocks or on the blades or algae or eelgrass.
Diet
Worms, small crabs, snails, limpets, nudibranchs, and algae are all eaten.
Life History
Eggs are deposited on the underside of a boulder and are tended to by the male. Larvae are about 0.2 inches at hatching and may settle out of the plankton stage by 0.4 inches. This fish can reach a maximum length of 6.5 inches
IUCN Status
Not Evaluated
Ecosystem & Cultural Importance
Its predators include gopher snakes and pelagic cormorants.
This fish uses its large suction disk to cling to rocks or blades of kelp. The cup also helps it stay moist if it is exposed to the air during low tide.
Love, Milton S. Certainly more than you want to know about the fishes of the Pacific Coast: a postmodern experience. Really Big Press: Santa Barbara. 2011. 649 pp. ISBN 978-0-9628725-6-3.
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