/ Dictionary / Index I ichthyofauna: Meaning and Definition of Find definitions for: ich•thy•o•fau•na Pronunciation: (ik"thē-u-fô'nu), [key] — n. the indigenous fish of a region. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ichthyocentaur ichthyoid Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language