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dolphins need a soft dorsal fin because of their way of swimming. If they were to have a hard, sharp, stiff or even ruff fin it would put weight on them and e tilt them to the side which then would interfere with their other fins.
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What is the function of soft dorsal fin?
you have to answer my question
What types of fins do perch fish have?
Caudal fin, Dorsal fin, Pectoral fin, Ventral fin, and the fin.
What is an adipose fin?
An adipose fin is a soft, fleshy fin found on a fish behind the dorsal fin and ahead of the caudal fin.
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
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.
Why does the narwhal not have a dorsal fin?
They don't need it because of their strong tails
