Distribution

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

Locality	Establishment	Invasiveness
Japanese part of the Philippine Sea	alien	invasive
Japanese part of the North Pacific Ocean	alien	invasive
United States part of the North Atlantic Ocean	alien	invasive

Recent detections

	Taxon	Area	Confidence	Best hit	Reads	Names	Risk	Status	Detected	Marker
	Amphibalanus amphitrite Arthropoda > Thecostraca > Balanidae WoRMS: 421137	Fiji	medium	1.0	670	1	high priority	unreviewed	9 months ago	COI
	Amphibalanus amphitrite Arthropoda > Thecostraca > Balanidae WoRMS: 421137	Fiji	medium	1.0	27	1	high priority	unreviewed	1 year, 2 days ago	COI
	Amphibalanus amphitrite Arthropoda > Thecostraca > Balanidae WoRMS: 421137	Fiji	medium	1.0	636	1	high priority	unreviewed	1 year, 3 months ago	COI
	Amphibalanus amphitrite Arthropoda > Thecostraca > Balanidae WoRMS: 421137	Fiji	medium	1.0	19	1	high priority	unreviewed	1 year, 3 months ago	COI
	Amphibalanus amphitrite Arthropoda > Thecostraca > Balanidae WoRMS: 421137	Fiji	medium	1.0	176	1	high priority	unreviewed	1 year, 7 months ago	COI

Risk analyses

Area-specific risk analyses for Amphibalanus amphitrite are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Amphibalanus amphitrite Arthropoda > Thecostraca > Balanidae WoRMS: 421137	Fiji						priority	high

Priority lists

Amphibalanus amphitrite 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