heterocercal

== English == === Etymology === From hetero- +‎ cercal. === Adjective === heterocercal (comparative more heterocercal, superlative most heterocercal) (ichthyology) Of a fish's tail, such that the vertebral column bends and extends upwards into the upper lobe of the tail, making it larger than the lower lobe; as in sharks, rays, and skates. ==== Antonyms ==== homocercal ==== Coordinate terms ==== diphycercal homocercal protocercal ==== Derived terms ==== hemiheterocercal heterocercality ==== Related terms ==== heterocerc heterocercy