The top fins are called dorsal fins. If there are two dorsal fins, the one nearest the head is called the first dorsal fin and the one behind it is the second dorsal fin. The belly or lower part ...

In addition to their paired fins, the second dorsal and anal fins also have stout, muscular lobed bases. The first dorsal fin, however, lacks such a lobe, but it can be raised or lowered like a ...

As styling elements go, it’s hard to argue against the tailfin. The first fin on a production automobile appeared on the 1934 Tatra 77, a striking central element emerging like a dorsal fin from the ...