Galapagos Species Database

Taxon category: Accepted

Syn.: Ascidia bisulca Sluiter, 1904; Ascidia compta Sluiter, 1898; Ascidia diplozoon Sluiter, 1887; Ascidia divisa Sluiter, 1898; Ascidia donnani Herdman, 1906; Ascidia incerta Herdman, 1899; Ascidia incerta Herdman, 1898; Ascidia limosa Sluiter, 1887; Ascidia longitubis (Traustedt, 1882); Ascidia longitudinalis Seeliger, 1901; Ascidia pyriformis Herdman, 1880; Ascidia sydneyensis Stimpson, 1855; Phallusia canaliculata (Heller, 1878); Phallusia divisa (Sluiter, 1898); Phallusia incerta (Herdman, 1899); Phallusia longitubis Traustedt, 1882; Phallusia pyriformis (Herdman, 1880); Phallusia sydneiensis (Stimpson, 1855) (Ahyong, S. et al., 2026).

Origin: Introduced - established

Year of first record: 2016

Introduction Pathway: Stowaway

Subpathway: Ship hull

Invasive status: Potentially Invasive

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