heterocercal
1. [ adjective ] (ichthyology) possessing a tail with the upper lobe larger than the lower and with the vertebral column prolonged into the upper lobe
Related terms: homocercal ichthyology
Similar spelling:   Heterocephalus
  heterocycle
  heterosexual
  Heteroscelus
  heterocyclic
  heterostracan
  heterospory
  heteroicous
  heterosexuality
  heterosexualism
  heterozygous
  heterogenous
  heteroecious