''Halecium'' is a genus of
hydrozoans
Hydrozoa (hydrozoans; from Ancient Greek ('; "water") and ('; "animals")) is a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most of which inhabit saline water. The colonies of the colonial spe ...
in the family
Haleciidae
Haleciidae is a family (biology), family of hydrozoans. Their hydroid (zoology), hydroid colonies emerge from a creeping hydrorhiza and usually form upright branching colonies, although some species' colonies are stolonal. Their gonophores are ty ...
. These marine invertebrates are found in all oceans, where they often form large colonies.
Species
''Halecium'' currently contains 135 confirmed species.
References
Haleciidae
Hydrozoan genera
{{Leptothecata-stub