Anal fin function
The anal fin is found on the ventral side of fish, often, but not always, at the base of the anus. Along with the dorsal fin , the main purpose of the anal fin is stabilize the fish and keep it from rolling in the water. It is almost the entire length of their bodies. Knifefish swim by rippling their anal fin while keeping the rest of their bodies rigid and straight.
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Fish Fins: Types, Modification and Functions
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Fins are usually the most distinctive anatomical features of a fish. They are composed of bony spines or rays protruding from the body with skin covering them and joining them together, either in a webbed fashion, as seen in most bony fish , or similar to a flipper , as seen in sharks. Apart from the tail or caudal fin , fish fins have no direct connection with the spine and are supported only by muscles. Their principal function is to help the fish swim. Fins located in different places on the fish serve different purposes such as moving forward, turning, keeping an upright position or stopping.
It plays an important role in the swimming movements of sharks and bony fish. August 11, Retrieved August 11, from Encyclopedia. Then, copy and paste the text into your bibliography or works cited list.
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