Both lakes freeze in winter and contain no fish, but support numerous invertebrates, including amphipods, beetles and mosquito larvae.
Gammarus katagani is a species of freshwater amphipod, collected from Domaniç in Kütahya Province, Turkey.
Homarus gammarus is traditionally "highly esteemed" as a foodstuff and was mentioned in "The Crabfish" a seventeenth century English folk song.