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.
the dorsal fin on a dorsal fin helps the dolphin not to roll when turning
Yes, shark dorsal fins are triangular and straight while dolphin dorsal fins are very curved and streamlined. A Google Image Search will clarify this even better.
Sharks have straight dorsal fins, dolphins have curved dorsal fins and whales don't have dorsal fins :)
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.
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.
at the end of the dolphins "tail" is called a fluke
Yes, giant cat fish do have dorsal fins.
dorsal fins
no
The dolphin has a dorsal fin.
Pectoral fins, dorsal fin, and the flukes!