Fish species to be found include mojarra, sea bass, catfish and striped mullet. Fish species included the tidewater goby, topsmelt, striped mullet, surfperch and Pacific staghorn sculpin. Other fish found in the delta include the striped mullet and soles. Chelon tricuspidesn, the striped mullet, is a species of ray-finned fish from the family Mugilidae. In Hawaii, striped mullet "Mugil cephalus" are threatened because of the introduction of this species.