they are on shrks and dolphins
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.
There are two Dorsal fins on a perch. The anterior and posterior Dorsal fins.
Sharks have straight dorsal fins, dolphins have curved dorsal fins and whales don't have dorsal fins :)
Yes, giant cat fish do have dorsal fins.
dorsal fins
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.
no
Sharks with two dorsal fins are distinguished by their double dorsal fins, which is a unique characteristic not found in other shark species.
Pectoral fins, dorsal fin, and the flukes!
yes, they do it is next to their spiny dorsal fin.
The dorsal fin locates on the back of the seahorse.
dorsal fin