
CRCritically Endangered
Alchichica Silverside
Poblana alchichica
Declining
Photo: Photo: (c) Valeria Mas, some rights reserved (CC BY-NC), uploaded by Valeria Mas
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Habitat
Poblana alchichica inhabits the shallow, alkaline waters of Lake Alchichica, a high-altitude crater lake in Puebla, Mexico. The species is adapted to the lake's unique conditions, including high salinity levels and clear, mineral-rich waters at an elevation of approximately 2,300 meters.
Marine coastal/supratidal· majorWetlands (inland) - Permanent freshwater lakes· major
Other threatened species in ATHERINIDAE
Threatened in Mexico
Frequently asked questions
Why is Alchichica Silverside classified as Critically Endangered?
Alchichica Silverside 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 Alchichica Silverside live?
Alchichica Silverside occurs in Mexico. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Alchichica Silverside?
The main threats to Alchichica Silverside are 5.3, 6.1, and 7.2. The full IUCN-classified threat record for this species is detailed on the species page.
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