If two segments of the caudal fin of a fish are equal, it is called homocircular. Fishes of the class Actinoterygii have homocercles. For example – Ilisha (Tenualosa ilisha).
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If two segments of the caudal fin of a fish are equal, it is called homocircular. Fishes of the class Actinoterygii have homocercles. For example – Ilisha (Tenualosa ilisha).