About Dialommus macrocephalus (Günther, 1861)
Dialommus macrocephalus, commonly called the foureye rockskipper, is a species of labrisomid blenny. It is native to the eastern Pacific Ocean, ranging from Baja California, Mexico to Colombia. It lives in the intertidal zone, and can leave the water to search for prey on land. It feeds on invertebrates, which includes crabs. This species can grow to a total length of 11 centimetres, which is 4.3 inches.