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Related to infauna: Epifauna, Epifaunal


Aquatic animals, such as clams or burrowing worms, that live beneath the surface of a sea or lake floor.

[in- + fauna.]

in′fau′nal adj.


(Zoology) zoology the fauna living below the surface of ocean and river beds


(ˈɪnˌfɔ nə)

n., pl. -nas, -nae (-nē).
(used with a sing. or pl. v.) the aggregate of animals that burrow into and live in the bottom deposits of the ocean.
[< Da ifauna (1913)]
in′fau`nal, adj.
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References in periodicals archive ?
Specifically: - a study of epifauna with the tree beam in three campaigns (autumn 2018, Spring 2019, Autumn 2019, Compulsory); - an investigation of the infauna with grippers in three campaigns (as above, Also obligatory); - a video survey of the epifauna, Macrophytes and biotope structure (only with heterogeneous structure of the area to be examined); - an examination of the fish fauna with the tree beam (same campaigns as above, Only areas in the north sea); - an examination of the fish fauna with the shear net (as above, Only areas in the baltic sea).
Previous studies have indicated, however, that dense populations of large adults in nearby marine-protected areas export the larvae of the infauna associated with mussel beds, but that recruitment of mussels themselves was not enhanced within or close to MPA compared with more distant sites (Cole et al.
This highly urbanized river supports multiple species of fish, mollusks, arthropods, polychaetes, and marine algae either as infauna within the muddy substratum or as epifauna among the hard structures (Turner and Strachan 1969).
Distribution, abundance, biomass and diversity of benthic infauna in the Northeast Chukchi Sea, Alaska: Relation to environmental variables and marine mammals.
Spatial patterns of infauna, epifauna and demersal fish communities in the North Sea.
At both the Punta Morales and Cocorocas flats the infauna includes the brittle star Ophiopholis geminata.
Environmental Protection Agency Regional Environmental Monitoring and Assessment Program (EMAP) and National Coastal Assessment (NCA) surveys, as well as sampling conducted as part of the NJ Department of Environmental Protection's Barnegat Bay Action Plan, have primarily focused on sediment sampling for benthic infauna and epifauna (Taghon et al.
The presence of monospecific filaments of Bositra with Chondrites and the absence of shelly infauna indicate anoxic conditions in interstitial waters and poorly oxygenated conditions in bottom waters.
For infauna one core sample with a diameter of 11 cm was taken during every sampling by pushing the corer about 10 cm into the sediment.
We have never encountered a live specimen in any of the hundreds of marine ecological surveys we have conducted and none has ever been present in any of the thousands of infauna samples we have examined.
Sewage, it turns out, is good for benthic infauna, the basis for much inshore fish production and growth.