Built-in billboards: Male bluefin killifish signal different things with different fins

They help fish swim, but fins also advertise a fish's social standing and health. In a new study, researchers report that for the male bluefin killifish (Lucania goodei), each colorful fin presents its own messages to other fish.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/c...