ichthyofauna

[ ik-thee-uh-faw-nuh ]
/ ˌɪk θi əˈfɔ nə /

noun

the indigenous fish of a region.

Origin of ichthyofauna

First recorded in 1880–85; ichthyo- + fauna
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019