Distribution

This is the current known distribution of Halgerda willeyi 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, Halgerda willeyi 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
No alerts found.

Risk analyses

Area-specific risk analyses for Halgerda willeyi are listed below.

	Taxon	Area	Native	Introduced	Invasive	Global impact	Thermal	Priority list	Level
	Halgerda willeyi Mollusca > Gastropoda > Discodorididae WoRMS: 221077	Fiji							low

Priority lists

Halgerda willeyi is included in the following priority lists.

Name	URL	Species	Areas
No lists found.