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They allow the shark to swim. A shark with no fins would be unable to swim. Any individual fin provides steering and propulsion depending on exactly which fin you're talking about. The dorsal fin (the one on top of the shark that sticks up above the water in any cartoon about a shark) is mainly for steering.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoThe sharks dorsal fin allows it to turn and maneuver in the water.
Wiki User
∙ 14y agoA shark has fin for a couple of reasons balance and movement
Without the fins, sharks would not be able to swim and propel themselves through the waters and hunt.
Wiki User
∙ 12y agothey use their dorsal fin
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What is the function of the Posterior Dorsal of a fish?
The main function of the dorsal fin in any animal with a dorsal fin is stability. Some fish have adapted for using the dorsal fin for other uses, such as propulsion in the Sunfish. The anglerfish's dorsal fin has evolved to work as a fishing pole so that the fish can bait and catch their prey.
The dorsal fin is located on which part of a fish?
The Dorsal Fin is located on the "back" of a fish. Where the spine is.
What types of fins do perch fish have?
Caudal fin, Dorsal fin, Pectoral fin, Ventral fin, and the fin.
What does the term dorsal mean?
dorsal, in anatomy at least, means towards the back side of the body. the reason why fish have a dorsal fin is because its on their back, like a shark fin.
What does it mean when a fish lays the dorsal fin back?
It usually means the fish is sickening for something. It should be taken as a signal by the fishes owner to do a few major water changes ASAP.
What is the difference between a dorsal fin and other fins?
A dorsal fin is the one on the top of the fishes back.
Why some fishes have spiny dorsal fin only and some have soft dorsal fin only and others have both?
Because that's ahow god made them
Is it possible for a dolphin to move its dorsal fin?
No, it is not. Dolphins use their dorsal fin for balance.
Male molly sticking his fin bolt up right?
If you are refering to the fishes Dorsal Fin, that is how it is supposed to be. When a fish has its dorsal down is the time when you start to worry and wonder what is wrong with the fish.
What is the fin called on an orcas back?
The fin on the back of an orca is called the dorsal fin.
What is the dorsal fin?
The dorsal fin is the fin on the back of a fish, for example the typical triangular fin on the back of a shark is its dorsal fin.
What does a female Orcas dorsal fin look like?
the female orca's dorsal fin is curved and the males dorsal fin is straight
What is the name of the fin behind the dorsal fin?
On a dolphin and most fish the fin behind the dorsal fin is the tail fin. Some fish, such as knife fish, have no dorsal fin or tail fin. Dolphins of course are mammals, not fish.
Is a fish's dorsal fin on its side?
No, a dorsal fin from a fish is on its back area.
What is the top fin on the fish called?
The fin on the top/back of all fish is called the "Dorsal Fin."
What is the second donsal fin?
Some sharks have a second dorsal fin, it's between the main dorsal fin in the middle of the back, and the tail. Not all fish have a second dorsal fin.
What is the function of the Posterior Dorsal of a fish?
The main function of the dorsal fin in any animal with a dorsal fin is stability. Some fish have adapted for using the dorsal fin for other uses, such as propulsion in the Sunfish. The anglerfish's dorsal fin has evolved to work as a fishing pole so that the fish can bait and catch their prey.
