Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Diplosoma listerianum (Milne-Edwards, 1841)

tunicado, Tunicate

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Chordata

Class
Ascidiacea

Order
Aplousobranchia

Family
Didemnidae

Genus
Diplosoma

Species
listerianum

Taxon category: Accepted

Origin: Introduced - established

Status

IUCN Red List Category: Not evaluated

Introduction

Year of first record: 1999

Mode of introduction: Accidental

Introduction Pathway: Stowaway

Subpathway: Ship hull

Introduced status: Naturalized

Invasive status: Under watch

Distribution

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

References

  • 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.
  • 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

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, Diplosoma listerianum", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=7863. Accessed 12 April 2026.