ichthyology(n = noun.cognition) - the branch of zoology that studies fishes;
is a kind of zoological science, zoology
Derived form noun ichthyologist1
The natural history of fishes; that branch of zoölogy which relates to fishes, including their structure, classification, and habits. [1913 Webster]
ichthyology, n. the study of fishes.
Derivative:
ichthyological adj. ichthyologist n.
N zoology, zoonomy, zoography, zootomy, anatomy, comparative anatomy, animal physiology, comparative physiology, morphology, mammalogy, anthropology, ornithology, ichthyology, herpetology, ophiology, malacology, helminthology, entomology, oryctology, paleontology, mastology, vermeology, ornithotomy, ichthyotomy, taxidermy, zoologist, zoological.