Distribution

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

Locality	Establishment	Invasiveness
No distribution records with invasive status found.

Recent detections

	Taxon	Area	Confidence	Best hit	Reads	Names	Risk	Status	Detected	Marker
	Botrylloides niger Chordata > Ascidiacea > Styelidae WoRMS: 252289	Fiji	low	1.0	3330	5	low	unreviewed	1 year, 3 months ago	COI
	Botrylloides niger Chordata > Ascidiacea > Styelidae WoRMS: 252289	Fiji	medium	1.0	1330	2	low	unreviewed	1 year, 6 months ago	COI
	Botrylloides niger Chordata > Ascidiacea > Styelidae WoRMS: 252289	Fiji	low	1.0	6	2	low	unreviewed	1 year, 9 months ago	COI
	Botrylloides niger Chordata > Ascidiacea > Styelidae WoRMS: 252289	Fiji	medium	1.0	59	2	low	unreviewed	2 years ago	COI
	Botrylloides niger Chordata > Ascidiacea > Styelidae WoRMS: 252289	Fiji	low	1.0	2	2	low	unreviewed	2 years ago	COI

Risk analyses

Area-specific risk analyses for Botrylloides niger are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Botrylloides niger Chordata > Ascidiacea > Styelidae WoRMS: 252289	Fiji							low

Priority lists

Botrylloides niger is included in the following priority lists.

Name	URL	Species	Areas
No lists found.