Sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding.

synonyms: bryozoan, moss animal, polyzoan, sea mat.

Dutch: mosdiertje, mosdiertjes
Polish: mszywioł

Any of various red algae having graceful rose to purple fronds (e.g. dulse or carrageen).