Distribution

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

Locality	Establishment	Invasiveness
Gulf of Finland	alien	invasive
Gulf of Riga	alien	invasive
Baltic sea	alien	invasive
Gulf of Bothnia	alien	invasive
Swedish Exclusive Economic Zone	alien	invasive
Japanese Sea	alien	invasive
Russian part of the Japan Sea	alien	invasive
Caspian Sea	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 Amphibalanus improvisus are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Amphibalanus improvisus Arthropoda > Thecostraca > Balanidae WoRMS: 421139 CABI: 91903	Fiji							low

Priority lists

Amphibalanus improvisus is included in the following priority lists.

Name	URL	Species	Areas
No lists found.