noun[mass noun] Ecology
The animals living in the sediments of the ocean floor or river or lake beds. Compare with epifauna.
More example sentences
- Reichardt found algal fragments on both sides of the Peninsula and suggested that algal material provided an additional carbon source to deep water benthic infauna.
- In prior studies, we have argued that changes in sediment surface chemistry driven by biotic and physical disturbance affect recruitment decisions of infauna.
- High densities of organisms that bind the sediment and modify wave-induced erosion potential can also mitigate wave disturbance effects on other infauna.
- More example sentences
- Bivalves are aquatic suspension-feeders, inhabiting a variety of infaunal and epifaunal habitats and are particularly characterized by their ability to burrow, some of them even into rock and wood.
- Life habit categories included epifaunal, infaunal, shallow infaunal, and deep infaunal.
- The Baltic clam achieves highest densities in mesohaline habitats of the bay where it ranks first in benthic infaunal biomass.
Definition of infauna in:
- The US English dictionary