Tanche (Tinca tinca) en pleine eau dans le Gour de Tazenat (Puy-de-Dôme (63), France). Tags: nager; vert; pleine eau; tanche; Tinca tinca; Cyprinidae; poisson; Gour de Tazenat; Auvergne; France; eau douce; milieu naturel; lac; glauque; nageoire; rivière; étang; lumière; tench; fish; fresh water; freshwater; natural environment; lake; glaucous; fin; river; pond; light; to swim; swimming; green; full water;