Distribution

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

Locality	Establishment	Invasiveness
New Zealand part of the Tasman Sea	alien	invasive
New Zealand part of the South Pacific Ocean	alien	of_concern
Russian part of the Japan Sea	alien	invasive
United States part of the North Pacific Ocean	alien	invasive
United States part of the The Coastal Waters of Southeast Alaska and British Columbia	alien	of_concern

Recent detections

	Taxon	Area	Confidence	Best hit	Reads	Names	Risk	Status	Detected	Marker
	Ciona savignyi Chordata > Ascidiacea > Cionidae WoRMS: 250292	Fiji	medium	1.0	680	1	low	unreviewed	9 months ago	18S
	Ciona savignyi Chordata > Ascidiacea > Cionidae WoRMS: 250292	Fiji	medium	1.0	616	1	low	unreviewed	1 year, 2 days ago	18S
	Ciona savignyi Chordata > Ascidiacea > Cionidae WoRMS: 250292	Fiji	medium	1.0	593	1	low	unreviewed	1 year, 3 months ago	18S
	Ciona savignyi Chordata > Ascidiacea > Cionidae WoRMS: 250292	Fiji	medium	1.0	6872	1	low	unreviewed	1 year, 3 months ago	18S
	Ciona savignyi Chordata > Ascidiacea > Cionidae WoRMS: 250292	Fiji	medium	1.0	13	1	low	unreviewed	1 year, 6 months ago	18S

Risk analyses

Area-specific risk analyses for Ciona savignyi are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Ciona savignyi Chordata > Ascidiacea > Cionidae WoRMS: 250292	Fiji							low

Priority lists

Ciona savignyi is included in the following priority lists.

Name	URL	Species	Areas
No lists found.