Author: (Cope, 1873)
FBname: Crescent gunnel
Comments: Frequently in intertidal areas, in tide pools or under rocks protected by seaweeds (Ref. 2850).  May remain out of water under rocks or seaweed (Ref. 31184).  Probably feeds on small crustaceans and marine worms (Ref. 28499).  Breathes air when out of water (Ref. 31184).