ENEndangered
Tokyo Bitterling
Tanakia tanago
Declining
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Tokyo_bitterling
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Habitat
Caves and subterranean habitats· major
Conservation measures underway
Habitat & natural process restorationSpecies reintroductionEx-situ conservationAwareness & communications
Other threatened species in ACHEILOGNATHIDAE
Threatened in Japan
Frequently asked questions
Why is Tokyo Bitterling classified as Endangered?
Tokyo Bitterling is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure, per the IUCN Red List assessment recorded in the SpeciesRadar database.
Where does Tokyo Bitterling live?
Tokyo Bitterling 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 Tokyo Bitterling?
The main threats to Tokyo Bitterling are 1.1, 2.1, 5.4, and 7.3. The full IUCN-classified threat record for this species is detailed on the species page.
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