fins

the fish used its fins to navigate the coral reef.

sharks have powerful fins for swimming quickly.

the scuba diver admired the fish's delicate fins.

a seahorse's fins help it maintain balance.

the whale's pectoral fins are used for steering.

the dolphin propelled itself with its caudal fin.

the anglerfish has modified fins to lure prey.

the pufferfish inflates its body and extends its fins.

the fish's dorsal fins provided stability in the water.

the ray glided effortlessly with its wing-like fins.

the fish lost some of its caudal fins in the net.