of or possessing a symmetrical tail that extends beyond the end of the vertebral column, as in most bony fishes
Compare heterocercal
Word origin
C19: from homo- + Greek kerkos tail
homocercal in American English
(ˌhoʊmoʊˈsɜrkəl; ˌ hɑmoʊˈsɜrkəl)
adjective
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