CRCritically Endangered
Ptychobranchus jonesi
Declining
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Habitat
Wetlands (inland)· major
Conservation measures underway
Species managementSpecies recovery
Other threatened species in UNIONIDAE
Threatened in United States
Frequently asked questions
Why is Ptychobranchus jonesi classified as Critically Endangered?
Ptychobranchus jonesi 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 Ptychobranchus jonesi live?
Ptychobranchus jonesi occurs in United States. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Ptychobranchus jonesi?
The main threats to Ptychobranchus jonesi are 1.1, 2.1, 3.2, and 9.3. The full IUCN-classified threat record for this species is detailed on the species page.
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