Under rock in low intertidal
A clingfish scraped off the rocks near Isabela, PR. The photo is old and the colors are way off.
Maybe 12 cm long
Thanks Kevin Hintsa!
Clingfishes are fishes of the family Gobiesocidae, belonging to the order Gobiesociformes. Most species are marine, being found in shallow waters of the Atlantic, Pacific and Indian Oceans. They are bottom-dwelling fishes; some species shelter in sea urchins or crinoids.