''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. 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