Galapagos Species Database

Taxon category: Accepted

Syn.: Botrylloides chazaliei Sluiter, 1898 (original combination), Botrylloides nigrum Herdman, 1886 (misspelling), Botryllus niger (Herdman, 1886) (misspelling), Botryllus nigrum (Herdman, 1886) (new combination) (Horton et al., 2021) Metrocarpa nigrum (Herdman, 1886) (new combination)

Origin: Introduced - established

Year of first record: 2015

Mode of introduction: Accidental

Introduction Pathway: Stowaway

Subpathway: Ship hull

Introduced status: Naturalized

Invasive status: Under watch

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

• 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.
• Lambert, G. (2019) Fouling ascidians (Chordata: Ascidiacea) of the Galápagos: Santa Cruz and Baltra Islands Aquatic Invasion, Volume 14, Issue 1: 132–149