infauna

in·fau·na

I0126700 (ĭn′fô′nə)n. 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.

infauna

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

in•fau•na

(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.

Infauna

infauna

[in′fȯn·ə] (zoology) Aquatic animals which live in the bottom sediment of a body of water.

Infauna

animals dwelling in bottom sediments of seas, rivers, lakes, and ponds. They include many mollusks, echinoderms, segmented and round worms, insect larvae, some fishes, stone borers (some sponges, mollusks, sea urchins), and wood borers (the mollusk Teredo, some crustaceans). Infauna is categorized by the type of sediment in which it dwells: pelophilic (in ooze), psammophilic (in sand), lithophilic (in stones), and argillophilic (in clay). Most species of infauna feed on detritus. Certain forms of infauna carry out daily and seasonal vertical migrations. Infauna is important as a source of food for fishes that feed on bottom-dwelling animals (benthos).

单词	infauna
释义	infauna in·fau·na I0126700 (ĭn′fô′nə)n. 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. infauna (ɪnˈfɔːnə) n (Zoology) zoology the fauna living below the surface of ocean and river beds in•fau•na (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. Infauna infauna [in′fȯn·ə] (zoology) Aquatic animals which live in the bottom sediment of a body of water. Infauna animals dwelling in bottom sediments of seas, rivers, lakes, and ponds. They include many mollusks, echinoderms, segmented and round worms, insect larvae, some fishes, stone borers (some sponges, mollusks, sea urchins), and wood borers (the mollusk Teredo, some crustaceans). Infauna is categorized by the type of sediment in which it dwells: pelophilic (in ooze), psammophilic (in sand), lithophilic (in stones), and argillophilic (in clay). Most species of infauna feed on detritus. Certain forms of infauna carry out daily and seasonal vertical migrations. Infauna is important as a source of food for fishes that feed on bottom-dwelling animals (benthos). infauna infauna the burrowing portion of the BENTHOS.
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