Anatolichthys transgrediens
Local name: Acigöl Killifish
Photo: Photo: Wikimedia Commons, CC BY-SA
Overview
Anatolichthys transgrediens, the Acı Göl toothcarp or Acipinar killifish, is a species of freshwater fish in the family Aphaniidae. It is endemic to the springs of Lake Acıgöl in Turkey. It is threatened by a reduction in rainfall from climate change, and the abstraction of water from the springs. The introduction of the non-native eastern mosquitofish also threatens this species.
Anatolichthys transgrediens faces severe threats from habitat degradation and water extraction in its extremely limited range within Turkey's inland water systems. The species is particularly vulnerable to agricultural water diversions and pollution from agricultural runoff, which alter water chemistry and flow patterns essential for its survival. Climate change-induced drought conditions further exacerbate water scarcity issues, while the species' restricted distribution makes it highly susceptible to localized environmental changes.
Habitat
This endemic Turkish fish inhabits freshwater springs, streams, and associated wetland systems in central Anatolia. The species requires clean, well-oxygenated waters with specific temperature and chemical parameters typical of natural spring-fed aquatic environments.
Conservation measures underway
Other threatened species in APHANIIDAE
Threatened in Türkiye
Frequently asked questions
Why is Acigöl Killifish classified as Critically Endangered?
Where does Acigöl Killifish live?
What are the main threats to Acigöl Killifish?
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