The branch of zoology that deals with the study of fishes. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "ichthyology" in a sentence
"Americans as individuals can and must do for ourselves and the nation -- ichthyology from the standpoint of the fish."
"Let's and take a look at this website, this is a website dedicated to ichthyology, which is a form of zoology that concentrates on fish."
"Brower mentions that in a paper on ethno-ichthyology of the island, Dr. Margie Falanruw listed a fish the Yapese call galuf nu medai, translated as "monitor lizard of the sea.""