Distribution

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

Locality	Establishment	Invasiveness
Mediterranean Sea - Western Basin	alien	invasive
French part of the Mediterranean Sea - Western Basin	alien	invasive
Mexican part of the North Pacific Ocean	alien	invasive
Spanish part of the Mediterranean Sea - Western Basin	alien	invasive
Durban Bay	alien	invasive
Alexander Bay	alien	invasive
Table Bay	alien	invasive
Cap de Creus	alien	invasive

Recent detections

	Taxon	Area	Confidence	Best hit	Reads	Names	Risk	Status	Detected	Marker
	Microcosmus squamiger Chordata > Ascidiacea > Pyuridae WoRMS: 236666	Fiji	low	0.995	2	4	high priority	unreviewed	9 months ago	18S
	Microcosmus squamiger Chordata > Ascidiacea > Pyuridae WoRMS: 236666	Fiji	low	0.995	113	4	high priority	unreviewed	1 year, 2 days ago	18S
	Microcosmus squamiger Chordata > Ascidiacea > Pyuridae WoRMS: 236666	Fiji	low	0.995	13	4	high priority	unreviewed	1 year, 3 months ago	18S
	Microcosmus squamiger Chordata > Ascidiacea > Pyuridae WoRMS: 236666	Fiji	low	0.995	26	4	high priority	unreviewed	1 year, 3 months ago	18S
	Microcosmus squamiger Chordata > Ascidiacea > Pyuridae WoRMS: 236666	Fiji	low	0.995	3	4	high priority	unreviewed	1 year, 6 months ago	18S

Risk analyses

Area-specific risk analyses for Microcosmus squamiger are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Microcosmus squamiger Chordata > Ascidiacea > Pyuridae WoRMS: 236666	Fiji						priority	high

Priority lists

Microcosmus squamiger is included in the following priority lists.

Name	URL	Species	Areas
Top 25 Marine non-indigenous species for the Pacific region	https://brb.sprep.org/content/top-25-marine-non-indigenous-species-pacific-region	18	Fiji