epifaunal

• a word derived from epifauna.
  epifauna

  noun

  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.

More Suggestions

• avifauna
• epifocal
• epidermal
• fauna
• infauna
• megafauna
• meiofauna
• tribunal