Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Macrorhynchia philippina
hidroide, Hydroids
Colonies are large, pulmose, extensively branched, 5-10 cm high, and appear white underwater. A venomous species.
Common throughout Galapagos,and tolerant to strong current.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Cnidaria
Class
Hydrozoa
Order
Leptothecata
Suborder
Conica
Family
Aglaopheniidae
Genus
Macrorhynchia
Species
philippina
Taxon category: Accepted
Syn.: Aglaophenia (Macrorhynchia) Philippina Kirchenpauer, 1872, Aglaophenia (Macrorhynchia) urens Kirchenpauer, 1872, Lytocarpus philippinus (Kirchenpauer, 1872), Lytocarpus phillippinus (Kirschenpauer, 1872) (Horton et al., 2021).
Origin: Introduced - established
Year of first record: 1934
Mode of introduction: Accidental
Introduction Pathway: Stowaway
Subpathway: Hitchhiker on transport vehicles/cargo
Introduced status: Naturalized
Invasive status: Under watch
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: (A. philippina) Colombia, Hood Island, James Island, Ecuador; La Libertad, Mexican, Isabel Island and Galapagos Island (Fraser, 1938) in Santiago I and Sulivan Bay (Fraser, 1948).
- Appeltans, W. Bouchet, P., Boxshall, G.A., Fauchald, K., Gordon, D.P., Hoeksema, B.W., Poore, G.C.B., van Soest, R.W.M., Stöhr, S., Walter, T.C., Costello, M.J. (eds.) (2010) World Register of Marine Species (WoRMS). Available online at http://www.marinespecies.org.
- Hickman, C.P. Jr. (2008) A field guide to corals and other radiates of Galápagos. Sugar Spring Press, Lexington, Virginia, 162 pp.
- 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.
- 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.
- Freaser, McLean (1948) Hydroids of the Allan Hancock Pacific Expeditions since March, 1938. Fraser, M. (1948). Hydroids of the Allan Hancock Pacific Expeditions since March, 1938. In Allan Hancock Pacific Expeditions. (5th ed., pp. 179–334).
- Fraser, C. M. (1938) Hydroids of the 1932, 1933, 1935 and 1938 Allan Hancock Pacific Expeditions In Allan Hancock Pacific Expeditions (pp. 1–152)
You are welcome to download and use the information found in this page, acknowledging its source.
This page should be cited as follows:
"Galapagos Species Database, Macrorhynchia philippina", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=7890. Accessed 20 May 2025.