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Yes it is an anologous structure since they do not have a common ancestor.
The pelvic fin
well there are many types like a bats wing that is also its fingers and a birds wing that is feathery and stuff. but then some people refer to specific fishes fin a wing{the flying fish}
On a dolphin and most fish the fin behind the dorsal fin is the tail fin. Some fish, such as knife fish, have no dorsal fin or tail fin. Dolphins of course are mammals, not fish.
The tail fin of a fish (the caudal fin) is a fish's means of propulsion through the water.
The fin on the top/back of all fish is called the "Dorsal Fin."
The fin and rudder help to keep the airplane flying straight and to steer properly. It is an airflow surface similar to the wing.
No, a dorsal fin from a fish is on its back area.
Most fish typically have 7 fins in total. - The dorsal fin. Prevents fish from rolling. - Adipose Fin. Makes the fish hydrodynamic. - Caudal Fin (tail). Propels the fish through the water. - Pectoral fin (x2). helps the fish steer and halt. - Pelvic fin. Helps the fish steer and halt. - Anal fin. Keeps the fish from rolling.
Most species of fish don't have an adipose fin.
There are literally hundreds of species of fish that have a red fin.
what do the dorsal and anal fins do for a fish