The fin on a fish's back?

Answer 1

The fin on a fish's back is called the dorsal fin. Its main purpose is to stabilize the animal against rolling and assist in sudden turns. Some animals have developed dorsal fins with protective functions, such as spines or venom.

Answer 2

The caudal (tail) fin is the driving force used to propel the fish forward. The paired fins are mainly used for brakes and steering and the dorsal and adipose fins are used as keels on a yacht/boat in most fish. There are variations on this. Sea horses are one example where the dosral fin is used for propulsion but there are many other variations.

Answer 3

in tuckes people

Flamessurgeon:

The paired pectoral fins are located near the gill cover and are used for maneuvering the fish. These fins have been adapted, in the case of some bottom-dwelling species, so fish can prop themselves up or even walk around above or below water. Sometimes the pectoral fins are equipped with spines for defense.

Answer 4

The fin on a fish's back, known as the dorsal fin, helps stabilize the fish while swimming by providing balance and reducing rolling. It also assists in sudden turns and maneuvers by acting as a rudder. The size and shape of the dorsal fin can vary among different species of fish and may indicate the fish's habitat or behavior.

Answer 5

The fish use their fins to steer and balance themselves in the water.

Answer 6

The swim bladder.

Answer 7

the paires pectoral fins

Answer 8

the pectoral fin steers