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[ik-thee-ol-uh-jee] /ˌɪk θiˈɒl ə dʒi/
the branch of zoology dealing with fishes.
1640-50; ichthyo- + -logy
Related forms
[ik-thee-uh-loj-ik] /ˌɪk θi əˈlɒdʒ ɪk/ (Show IPA),
ichthyological, adjective
ichthyologically, adverb
ichthyologist, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ichthyology
  • He teaches courses in ichthyology, coral reef ecology, and scientific diving.
  • She also researches the larval development of monkfish in the ichthyology department there.
British Dictionary definitions for ichthyology


the study of the physiology, history, economic importance, etc, of fishes
Derived Forms
ichthyologic (ˌɪkθɪəˈlɒdʒɪk), ichthyological, adjective
ichthyologically, adverb
ichthyologist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ichthyology

1640s, Modern Latin, from Greek ikhthys "fish" + -ology. Related: Ichthyologist.

Online Etymology Dictionary, © 2010 Douglas Harper
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ichthyology in Science
The scientific study of fish.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for ichthyology

scientific study of fishes, including, as is usual with a science that is concerned with a large group of organisms, a number of specialized subdisciplines: e.g., taxonomy, anatomy (or morphology), behavioral science (ethology), ecology, and physiology. Because of the great importance of fishes as human food, economic ichthyology is a significant segment of the field

Learn more about ichthyology with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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