Tanche (Tinca tinca) dans le Gour de Tazenat (Puy-de-Dôme (63), France).
Tanche (Tinca tinca) dans le Gour de Tazenat (Puy-de-Dôme (63), France). / A tench (Tinca tinca) in the volcanic lake of Tazenat (Puy-de-Dôme 63 - France). Solitary and shy, the tench can be found at the bottom of stagnant still waters.