A dorsal fin is the one on the top of the fishes back.
Males have longer pointed dorsal fins. Females' dorsal fins are shorter and round.
Shark dorsal fins are typically straight and rigid, while dolphin dorsal fins are curved or falcate. This difference in dorsal fin shape is one of the visual cues you can use to differentiate between sharks and dolphins in the wild.
Sharks have straight dorsal fins, dolphins have curved dorsal fins and whales don't have dorsal fins :)
Sharks with two dorsal fins are distinguished by their double dorsal fins, which is a unique characteristic not found in other shark species.
There are two Dorsal fins on a perch. The anterior and posterior Dorsal fins.
Porpoises have triangular dorsal fins (as opposed to the curved dorsal fins of dolphins and whales). Some species of porpoise have small bumps on their fins, but the purpose of these bumps is unknown.
Yes, giant cat fish do have dorsal fins.
A shark with two dorsal fins is distinguished from other shark species by its double dorsal fin arrangement, which is not commonly seen in most shark species.
dorsal fins
Caudal fin, Dorsal fin, Pectoral fin, Ventral fin, and the fin.
no
Pectoral fins, dorsal fin, and the flukes!