| Ichthyology (n.) The branch of zoology that studies fishes, including their structure, classification, and habits. Thesaurus Entries anatomy, animal physiology, anthropology, biology, comparative anatomy, conchology, ecology, entomology, ethology, helminthology, herpetology, malacology, mammalogy, ornithology, protozoology, taxidermy, taxonomy, zoogeography, zoography, zoology, zoonomy, zoopathology, zoophysics, zootaxy, zootomy |