Order Anura Higher classification Somuncuria | Phylum Chordata Scientific name Somuncuria somuncurensis Rank Species | |
Similar Naked characin, Pleurodema, Pleurodema thaul, Alsodes montanus, Telmatobufo bullocki | ||
Pleurodema somuncurense (the Somuncura frog or El Rincon stream frog, in Spanish rana de Somuncura) is a species of frog in the Leptodactylidae family. It is endemic to the Somuncura Plateau in Patagonia, Argentina.
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Description
Females reach 38 mm (1.5 in) in total length. They are slender with fairly small head and large protruding, gold-coloured eyes. Fingers and toes are long and slender, with the toes being about one-third webbed. Eyes have two symmetrical rounded structures on the centre of the upper and lower border of the iris. The skin is smooth. Colouration is bright yellowish-brown on the upper surfaces of the head, body and legs. There are irregular dark spots across the back, and wavy dark reticulated lines on the sides of the body and backs of the thighs. There is a characteristic yellowish stripe that runs centrally down the top of the head and half of the back. The belly is purplish-yellow with dark grey reticulated spots. The lower surface of the thighs is purplish-rose and bears faint grey reticulated spots.
Habitat and conservation
Pleurodema somuncurense is a fully aquatic frog that inhabits geothermal springs and streams. It is threatened by predation by introduced rainbow trout and by habitat loss from canalization of spring water. Also livestock farming has negative impacts through overgrazing and chemical pollution.