CRCritically Endangered
Horikoshi's Giant Mussel
Gigantidas horikoshii
Unknown
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Habitat
Marine neritic· major
Conservation measures underway
Species recovery
Other threatened species in MYTILIDAE
Threatened in Japan
Frequently asked questions
Why is Horikoshi's Giant Mussel classified as Critically Endangered?
Horikoshi's Giant Mussel is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range, per the IUCN Red List assessment recorded in the SpeciesRadar database.
Where does Horikoshi's Giant Mussel live?
Horikoshi's Giant Mussel occurs in Japan. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Horikoshi's Giant Mussel?
The main threats to Horikoshi's Giant Mussel are 3.2, and 5.4. The full IUCN-classified threat record for this species is detailed on the species page.
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