Distribution

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

Locality	Establishment	Invasiveness
South African part of the Indian Ocean	alien	invasive
South African Exclusive Economic Zone	alien	invasive
Central Chile	alien	invasive
Durban Bay	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 Ciona robusta are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Ciona robusta Chordata > Ascidiacea > Cionidae WoRMS: 252565 GISD: 1003475	Fiji							medium

Priority lists

Ciona robusta is included in the following priority lists.

Name	URL	Species	Areas
No lists found.