Biofilm
Bounded definition
A surface-associated community and matrix.
Do not infer more: A visible coating is not one organism, a guaranteed food quantity or proof of a complete diet.
Wording people may use
aufwuchs, surface film, grazing surface.
Use the term in context
Continue with habitat guide, feeding guide, grazing and algae guide. The glossary standardizes wording; the linked guide carries the practical method, evidence and decision boundary.
Editorial definition reviewed 2026-08-12. It adds no diagnosis, universal care target or new biological evidence. Challenge this wording or provide a source.