Abstract

Spined loaches from the Siahrud River of the southern coast of the Caspian Sea in the province of Mazandaran, north of Iran, are described as a new species Cobitis faridpaki. This species belongs to Cobitis species group with a single lamina Canestrini at the base of the second pectoral-fin ray in males and subdorsal scales with reduced eccentric focal zone. These characters differentiate C. faridpaki from both southern Iranian species C. linea and C. melanoleuca distributed in the northern Caspian Sea basin. The stout body, small and numerous (25–30) lateral spots and the presence of 14–16 branched caudal-fin rays separate C. faridpaki from Caucasian species C. satunini.

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