Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Halecium washingtoni
Hydroides, Hydroids
Domain
Eukaryota
Kingdom
Animalia
Phylum
Cnidaria
Class
Hydrozoa
Order
Leptothecata
Suborder
Conica
Family
Haleciidae
Genus
Halecium
Species
washingtoni
Taxon category: Accepted
Syn.: Halecium geniculatum Nutting, 1899 (Horton et al., 2021).
Origin: Native
Distribution: Peru, Costa Rica and Galapagos Island in Isabela I (Fraser, 1938). United States, Canada and the Galapagos Islands in Fernandina I (Cairns et al., 2002; Calder et al., 2003).
- Calder, D.R. Mallinson, J.J., Collins, K. & Hickman, C.P. (2003) Additions to the Hydroids (Cnidaria) of the Galapagos, with a List of Species Reported from the Islands. J. Nat. Hist. 37:1173-1218.
- Fraser, C.M. (1939) Distribution of the hydroids in the collections of the Allan Hancock Expeditions. Fraser, M. (1939). Distribution of the hydroids in the collections of the Allan Hancock Expeditions. In Allan Hancock Pacific Expeditions. (Vol. 4, pp. 155–178).
- Horton, T. Horton, T., Kroh, A., Ahyong, S., Bailly, N., Boyko, C. B., Brandão, S. N., Gofas, S., Hooper, J. N. A., Hernandez, F., Holovachov, O., Mees, J., Molodtsova, T. N., Paulay, G., Decock, W., Dekeyzer, S., Poffyn, G., Vandepitte, L., Vanhoorne, B., Adlard, R., ... Zhao, Z. (2021) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.
- Cairns, S.D. Alder, D. R., Brinckmann-Voss, A., Castro, C. B., Fautin, D. G., Pugh, P. R., Mills, C. E., Jaap, W. C., Arai, M. N., & Haddock, S. H. D. (2002) Common and scientific names of aquatic invertebrates from the United States and Canada: Cnidaria and Ctenophora. Cairns, S. D., Calder, D. R., Brinckmann-Voss, A., Castro, C. B., Fautin, D. G., Pugh, P. R., Mills, C. E., Jaap, W. C., Arai, M. N., & Haddock, S. H. D. (2002). Common and scientific names of aquatic invertebrates from the United States and Canada: Cnidaria and Ctenophora.
- Fraser, C. M. (1938) Hydroids of the 1932, 1933, 1935 and 1938 Allan Hancock Pacific Expeditions In Allan Hancock Pacific Expeditions (pp. 1–152)
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This page should be cited as follows:
"Galapagos Species Database, Halecium washingtoni", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=19387. Accessed 27 May 2025.