Distribution

This is the current known distribution of Styela clava 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, Styela clava is reported to be invasive or of concern in the following areas:

Locality	Establishment	Invasiveness
Canadian part of the Gulf of St-Lawrence	alien	invasive
United Kingdom part of the English Channel	alien	invasive
Dutch part of the North Sea	alien	of_concern
German part of the North Sea	alien	invasive
United Kingdom part of the Celtic Sea	alien	invasive
Irish part of the Celtic Sea	alien	of_concern
United States part of the North Pacific Ocean	alien	invasive
United Kingdom part of the North Sea	alien	invasive
Australian part of the Bass Strait	alien	of_concern
Auckland	alien	invasive
United States part of the North Atlantic Ocean	alien	invasive
United States part of the The Coastal Waters of Southeast Alaska and British Columbia	alien	of_concern
United Kingdom part of the North Sea	alien	of_concern

Recent detections

	Taxon	Area	Confidence	Best hit	Reads	Names	Risk	Status	Detected	Marker
	Styela clava Chordata > Ascidiacea > Styelidae WoRMS: 103929 GISD: 951 CABI: 62274	Fiji	low		4	1	low	unreviewed	1 year, 7 months ago	18S

Risk analyses

Area-specific risk analyses for Styela clava are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Styela clava Chordata > Ascidiacea > Styelidae WoRMS: 103929 GISD: 951 CABI: 62274	Fiji							low

Priority lists

Styela clava is included in the following priority lists.

Name	URL	Species	Areas
No lists found.