Underneath the expansive blue waters of the West Pacific Ocean, a scaly sea creature went about its ... On its top fin is a “large” ocellus, or eyespot, that extends onto its body.

Photo from Emile Guillemot via Unsplash Surrounded by sellers and their wares, an orange-eyed sea creature sat at a ... black and white ocellus, or eyespot, at the very end of its dorsal fin ...