BiologyBase
Base Museum Life Sciences Dept
Fish Anatomy
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Pelvic fins - homologous to the tetrapod leg, the pelvic fins are supported by the pelvic girdle. They act as stablizers.
These fins may be highly modified, as in freshwater angelfishes and gouramis so that they are threadlike. Some of these fishes may use these fins as "feelers" to sense their surroundings.
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