Halecium is a genus of hydrozoa in the Haleciidae family, consisting of approximately 120 species. These marine invertebrates are found in all oceans, where they often form large colonies.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0