homocercal[hō′mō sʉr′kəl, häm′ō-]
designating, of, or having a tail fin in which the upper and lower lobes are symmetrical and in which the spine is shortened and ends at or near the center of the base, as in most bony fishes
Origin of homocercal; from homo- + Classical Greek kerkos, a tail + -al
Relating to, designating, or characterized by a tail fin having two symmetrical lobes extending from the end of the vertebral column, as in most bony fishes.
Origin of homocercalhomo– + Greek kerkos, tail + –al1.