There are literally hundreds of species of fish that have a red fin.
pike and red fin
fish
Red fin, also known as fin rot, is one of the most common diseases in aquarium fish. It is caused by several different types of bacteria due to unclean water or by fish stress due to overcrowding.
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.
Betta fish are usually multiple colors like turquoise on the tail fin and blue on the body and purple on the top fin. They can be one color like red and light red and dark red.
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."
they eat shrimp, crabs, and small fish such as: Minos, goldfish and etc. they can also eat gazell fish.
A slany fin is not a fish tail. Unfortunately I never could find what the true definition of a slany fin is. I did find information on slany rocks that are sometimes dug up during archaeology studies.
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.