sheephead

[sheep-hed] /ˈʃipˌhɛd/
noun, plural (especially collectively) sheephead (especially referring to two or more kinds or species) sheepheads.
1.
a large California food fish, Semicossyphus pulcher, of the wrasse family.
Also called fathead, redfish.
Origin
1535-45; so called from the resemblance of its teeth to those of a sheep