Try Our Apps
Dictionary.com

follow Dictionary.com

2017 Word of the Year

infauna

[in-faw-nuh] /ˈɪnˌfɔ nə/
noun, plural infaunas, infaunae
[in-faw-nee] /ˈɪnˌfɔ ni/ (Show IPA).
Ecology.
1.
the aggregate of animals that burrow into and live in the bottom deposits of an ocean, river, or lake.
Compare epifauna.
Origin of infauna
1910-1915
First recorded in 1910-15; in-1 + fauna
Related forms
infaunal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
infaunal in Science
infauna
  (ĭn'fô'nə)   
Benthic animals that live in the substrate of a body of water, especially in a soft sea bottom. Infauna usually construct tubes or burrows and are commonly found in deeper and subtidal waters. Clams, tubeworms, and burrowing crabs are infaunal animals. Compare epifauna.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Nearby words for infaunal

Word Value for infaunal

11
15
Scrabble Words With Friends