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Heterocercality
HETEROCERCALITY

Definition: (Zoology) The condition or state of having a heterocercal tail: the quality of being heterocercal (unequal development of the tail lobes of fishes, or inequality of the lobes of the caudal fin).
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See perfect inequality.

See perfect dissymmetry.
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See perfect unequal.
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See perfect freak (3).

See perfect nature (2).

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