Distribution

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

Locality	Establishment	Invasiveness
French part of the English Channel	alien	invasive
North Sea	alien	invasive
French part of the North Atlantic Ocean	alien	invasive
Celtic Sea	alien	invasive
German part of the North Sea	alien	invasive
Dutch part of the North Sea	alien	invasive
German part of the Baltic Sea	alien	invasive
United Kingdom part of the North Sea	alien	of_concern

Recent detections

	Taxon	Area	Confidence	Best hit	Reads	Names	Risk	Status	Detected	Marker
No alerts found.

Risk analyses

Area-specific risk analyses for Hemigrapsus takanoi are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Hemigrapsus takanoi Arthropoda > Malacostraca > Varunidae WoRMS: 389288 CABI: 109143	Fiji							low

Priority lists

Hemigrapsus takanoi is included in the following priority lists.

Name	URL	Species	Areas
No lists found.