Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Terrazoanthus patagonichus
Zoántido, Zoanthid
(T. onoi) Polyps are approximately 4–12 mm in diameter when open, and rarely more than 20 mm in height. Colonies may reach sizes of over a meter in diameter (Reimer & Fujii, 2010).
(T. onoi) Has bright red or red-brown oral disks and the outer surface of polyps is tan to dark brown, with polyps relatively clear of the coenenchyme (Reimer & Fujii, 2010).
Domain
Eukaryota
Kingdom
Animalia
Phylum
Cnidaria
Class
Anthozoa
Order
Zoantharia
Family
Hydrozoanthidae
Genus
Terrazoanthus
Species
patagonichus
Taxon category: Accepted
Syn.: Epizoanthus patagonichum Cutress & Pequegnat, 1960, Epizoanthus patagonichus Carlgren, 1899, Sidisia patagonicha (Carlgren, 1899), Terrazoanthus onoi Reimer & Fujii, 2010 (Ahyong et al., 2024)
Distribution: (T. onoi) Ecuador; Galapagos Islands in Darwin, Marchena, Genovesa, Isabela, Pinzón, Española y Floreana; Colombia (Reimer & Fujii, 2010; Ahrens et al., 2021; Rodriguez 2023).
- Ahyong, S. Boyko, C.B., Bailly, N., Bernot, J., Bieler, R, ... Williams, D.M., Williams, G., Wilson, R., Witkowski, J., Wyatt, N., Wylezich, C., Xavier, J., Xu, K., Zanol, J., Zeidler, W., Zhao, Z., Zullini, A. (2024) World Register of Marine Species Available from https://www.marinespecies.org at VLIZ. doi:10.14284/170
- Reimer, J. D. Fujii, T. (2010) Four new species and one new genus of zoanthids (Cnidaria, Hexacorallia) from the Galápagos Islands. ZooKeys, 42, 1-36.
- Ahrens, M. Osorio Cardoso, J. S., Bernal de la Torre, L. A., Prado Valencia, K., Molina, F., López Sánchez, M., Andramunio Acero, C. P., & Dorado Roncancio, J. (2021) Levantamientos portuarios de fitoplancton, zooplancton, perifiton y macrozoobentos en el Pacífico Colombiano. Fundación Universidad de Bogotá Jorge Tadeo Lozano. GBIF.org
- Rodriguez, A. (2023) Caracterización de la Biodiversidad Microbiológica y de Invertebrados de la Reserva Marina "El Pelado" a escala Taxonómica, Metabolómica y Meta genómica para su uso en salud humana y animal. Escuela Superior Politecnica del Litoral. GBIF.org
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, Terrazoanthus patagonichus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=25530. Accessed 17 July 2025.