Distribution

This is the current known distribution of Didemnum vexillum based on occurrence data in the Ocean Biodiversity Information System (OBIS) and the Global Biodiversity Information Facility, as well as distribution records in the World Register of Marine Species (WoRMS).

Invasiveness

According to WoRMS, Didemnum vexillum is reported to be invasive or of concern in the following areas:

Locality	Establishment	Invasiveness
Canadian part of the Bay of Fundy	alien	invasive
Dutch part of the North Sea	alien	invasive
New Zealand part of the South Pacific Ocean	alien	invasive
United States part of the North Atlantic Ocean	alien	invasive
United Kingdom part of the English Channel	alien	invasive
Irish part of the Irish Sea and St. George's Channel	alien	invasive
New Zealand	alien	invasive
United States part of the North Atlantic Ocean	alien	of_concern
Italian part of the Adriatic Sea	alien	of_concern
Mexican part of the North Pacific Ocean	alien	invasive
United Kingdom part of the Celtic Sea	alien	invasive
United States part of the North Pacific Ocean	alien	invasive
United Kingdom part of the Irish Sea and St. George's Channel	alien	invasive
New Zealand part of the Tasman Sea	alien	invasive
United States part of the The Coastal Waters of Southeast Alaska and British Columbia	alien	of_concern
Spanish part of the Balearic Sea	alien	invasive

Recent detections

	Taxon	Area	Confidence	Best hit	Reads	Names	Risk	Status	Detected	Marker
No alerts found.

Risk analyses

Area-specific risk analyses for Didemnum vexillum are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Didemnum vexillum Chordata > Ascidiacea > Didemnidae WoRMS: 250126 CABI: 107996	Fiji							low

Priority lists

Didemnum vexillum is included in the following priority lists.

Name	URL	Species	Areas
No lists found.