Projecting from the body on stalks rather than attaching directly to the body, these fishes' paired lobe fins are supported by the same basic bones as your arms and legs. Coelacanths even move ...

There are at least 40 known species of flying fish. Beyond their useful pectoral fins, all have unevenly forked tails, with the lower lobe longer than the upper lobe. Many species have enlarged ...

In a shallow area near the water's edge, something happened that would forever change life on our planet: a fish from the class of lobe-finned fishes uses its pair of powerful pectoral fins to ...