Sertularella acutidentata is a branching colonial hydroid in the family Sertulariidae.Schuchert, P. (2018). World Hydrozoa Database. Sertularella acutidentata Billard, 1919. Accessed through: World Register of Marine Species on 2018-08-13 It forms delicate, tree-like colonies and lives in marine environments, where it feeds on tiny plankton using stinging cells.
Description This hydroid grows to 4.5 cm.
Distribution Described from eastern Indonesia; collected by the Dutch Siboga Expedition.
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