bumps on the snouts and sometimes the leading rays of the pectoral fins on breeding male fish; goldfish, koi, rosy red minnows, fathead minnows, orangethroat darters, and red shiners are some of the fish who get them; often confused with the disease ick.
small knobbles on the surface of echinoid and trilobite bodies. On echinoids they are attachment sites for spines which are adapted for protection and movement. On trilobites they are thought to have had a sensory purpose. Page up