epifauna

American  

[ep-uh-faw-nuh] / ˈɛp əˌfɔ nə /

noun

Ecology.

• epifaunas,
  plural
• epifaunae
  plural

1. the aggregate of animals that live on the surface of the bottom of an ocean, river, or lake, or are attached to other aquatic organisms or submerged rocks.

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epifauna Scientific  

/ ĕp′ə-fô′nə /

1. Benthic animals that live on the surface of a substrate, such as rocks, pilings, marine vegetation, or the sea or lake floor itself. Epifauna may attach themselves to such surfaces or range freely over them, as by crawling or swimming. Mussels, crabs, starfish, and flounder are epifaunal animals.

2. Compare infauna

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Other Word Forms

Derived Forms

• epifaunal
  adjective

Inflected Forms

Nouns

• epifaunae
  plural
• epifaunas
  plural

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Etymology

Origin of epifauna

1910–15; epi- ( def. ) + fauna ( def. )

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