What Is a Dorsal Fin?

Answer

A dorsal fin is a fin that is on the back of certain fish. This fin helps to keep the fish balanced as it swims. Whales, dolphins, and porpoises have dorsal fins.
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Ask.com Answer for: what is a dorsal fin
dorsal fin
NOUN
1.
the fin or finlike integumentary expansion generally developed on the back of aquatic vertebrates.
Source: Dictionary.com
The fin located on the back of a dolphin, porpoise, whale and some fish, some have two dorsal fins. They help stabilize movements and prevents rolling and assist in making sudden turns.
Q&A Related to "What Is a Dorsal Fin"
A dorsal fin is the fin that is located on the back of fish and other aquatic animals. This fin helps them keep balance and sometimes serves as a rudder when changing direction.
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a fiin that is the best.
http://wiki.answers.com/Q/What_is_a_dorsal_fin
n. The main fin located on the back of fishes and certain marine mammals.
http://www.answers.com/topic/dorsal-fin
The dorsal fin's main purpose is to stabilize the animal against rolling and assist
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Explore this Topic
A dorsal fin is the fin that is located on the back of fish and other aquatic animals. This fin helps them keep balance and sometimes serves as a rudder when changing ...
The dorsal fin is located on the back of marine and freshwater vertebrates. A dorsal fin functions as a stabilizer. It keeps these animals from rolling, and it ...
The dorsal fin is an important part of the fish's body as it helps in maintaining stability while the fish swims. Normally, the dorsal fin is found on the top ...
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