सदस्य बने
पृष्ठाचा पत्ता क्लिपबोर्डवर कॉपी केला आहे.
अर्थ : Symmetrical tail fin extending beyond the end of the vertebral column as in most bony fishes.
A tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks.
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