polyzoan

• Nom désignant un animal aquatique sessile formant des colonies encroûtantes ou mousseuses composées de nombreux petits polypes, chacun possédant une couronne de tentacules en forme de fer à cheval ou de cercle ; ils se fixent sur des rochers ou des algues et se reproduisent par bourgeonnement.

A noun referring to a sessile aquatic animal that forms mossy colonies of small polyps, each having a curved or circular ridge bearing tentacles; they attach to stones or seaweed and reproduce by budding.

1. Sessile aquatic animalC2formalscientific

   A small, colonial aquatic animal that forms moss-like or branching colonies, typically attached to stones, seaweed, or other surfaces. Each individual polyp has a circular or curved ridge bearing tentacles used for filter feeding.

   Polyzoaire

   • Polyzoans are often found encrusting rocks in tidal pools.
   • The reef was covered in a delicate, lace-like colony of polyzoans.
   • Marine biologists study polyzoans to understand colonial animal evolution.
   • Polyzoans reproduce by budding, creating extensive mossy growths on submerged surfaces.

   Synonymesbryozoanectoproct