Galapagos Species Database

Taxon category: Accepted

Syn.: Sertularia neritina Linnaeus, 1758 (Horton et al., 2021)

Origin: Introduced - established

IUCN Red List Category: Not evaluated

Year of first record: 1932

Mode of introduction: Accidental

Introduction Pathway: Stowaway

Subpathway: Ship hull

Introduced status: Naturalized

Invasive status: Under watch

Substrate or host preferences: Corals, rocks, sponges, tunicates, sand, and rock.

Feeding preferences: Microorganisms suspended in the water, e.g. phytoplankton.

Trophic role: Herbivorous

Reproduction mode: Exclusively asexual

Reproductive biology: Brown bryozoans are hermaphrodites, having both female and male reproductive organs. New colonies are formed when larvae are released into the water and attach to hard surfaces where they develop into adults. Colonies grow by asexual budding, and can live for more than a year.

Dispersal propagule: Cascos de barcos, agricultura de ostras. On boat hulls and oyster farming.

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Ecuador in Galapagos Islands Galapagos Islands of in Santiago, Santa Cruz (sur), Floreana (Osbourn, 1950; Banta & Redden, 1990) in Santiago, Isabela, Floreana, Santa Cruz; origin unknown, probably from the Atlantic and Mediterranean.

• 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.
• Bustamante, R.H. Vinueza, L.R., Smith, F., Banks, S., Calvopiña, M., Francisco, V., Chiriboga, A., Harris, J. (2002) Comunidades submareales rocosas I: Organismos sésiles y mesoinvertebrados móviles. In: Danulat, E. & Edgar, G.J. (eds.) (2002): Reserva Marina de Galápagos. Línea Base de la Biodiversidad. Fundación Charles Darwin/Servicio Parque Nacional Galápagos, Santa Cruz, Galápagos, Ecuador, p. 38-67.
• Banks, S. Vera, M. & Chiriboga, A. (2009) Establishing Reference Points to Assess Long-Term Change in Zooxanthellate Coral Communities of the Northern Galapagos Coral Reefs. J. Sci. Conserv. in the Galapagos Islands, p. 43-64.
• Banta, W.C. (1991) The Bryozoa of the Galápagos. In: James, M.J. (ed.): Galápagos Marine Invertebrates. Taxonomy, Biogeography, and Evolution in Darwin's Islands. Plenum Press, New York and London, p. 371-367.
• Banta, W.C. Redden, J.C. (1990) A Checklist of the Bryozoa of the Galapagos. Proceedings of the Biological Society of Washington, 103(4), 789–802.
• Carlton, J. T. Keith, I., & Ruiz, G. M. (2019) Assessing marine bioinvasions in the Galápagos islands: Implications for conservation biology and marine protected areas. Aquatic Invasions, 14(1), 1–20. https://doi.org/10.3391/ai.2019.14.1.01
• 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.
• Osbourn, R. C. (1950) Bryozoa of the Pacific Coast of America. Part 1, Cheilostomata-Anasca. Osbourn, R. C. (1950). Bryozoa of the Pacific Coast of America. Part 1, Cheilostomata-Anasca. In Allan Hancock Pacific Expeditions. (1st ed., pp. 1–29).