heterocercy definition

  • noun:
    • unequal improvement the tail lobes of fishes; the ownership of a heterocercal tail.
    • Unequal development of the end lobes of fishes; the control of a heterocercal tail.
    • their state or top-notch being heterocercal; inequality of this lobes of the caudal fin: opposed to homocercy.
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