The dorsal fin of a dolphin is usefu,l because it can control the balance when a dolphin is swimming.It can also be useful for signs of dolphins and not sharks because the dorsal fin of a dolphin and a shark is slightly different.
Sharks have straight dorsal fins, dolphins have curved dorsal fins and whales don't have 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.
dolphin
There are two Dorsal fins on a perch. The anterior and posterior Dorsal fins.
The tail fins are 'flukes'. Otherwise the fin on any marine animal is "... fin" where "..,." is the adjective denoting its position on the body.
at the end of the dolphins "tail" is called a fluke
A dolphin uses its dorsal fin for stability and steering while swimming. It also plays a role in communication, as dolphins may use their fins to signal aggression or dominance to other 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.
Yes, giant cat fish do have dorsal fins.
dorsal fins
no
Sharks with two dorsal fins are distinguished by their double dorsal fins, which is a unique characteristic not found in other shark species.