Freshwater Fishes of Iran, Species Accounts - Cobitidae Freshwater Fishes of Iran, Species Accounts - Cobitidae

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Age and growth Females dominated the population in the Safid River and growth was positively allometric Patimar et al. Parasites and predators This species identified as C. Males use their enlarged pectoral fins to turn the female during spawning. Food Diet for related C. Sexual dimorphism The second ray of the male pectoral fin is thickened and there is an enlarged scale at the base Canestrini scale.

Along the Caspian shore it is found in the lower reaches of rivers Jolodar and Abdoli, The iris is silvery, slightly golden or orange. Habitat This species remains buried in sand, mud which is not too thick, or dense weed growths during the day, being active at night, and is mostly solitary.

Morphology Some specimens are elongate while others are deeper bodied. Mousavi Sabet et al.

This bar can be a row of spots or there may be no discernible pattern in this area. The head is mottled with brown dots. The flank spots of L5 are usually clear and distinct, usually round but sometimes squarish, and some can be poorly defined, especially on the anterior flank.

Anterior flank spots may merge to form short bars although their origin from spots can still be discerned. Egg diameters were up to 1.

CMNFI35, The type material has counts as follows: The dorsal and caudal fins have spots or bars of pigment arranged in rows. Reproduction Spawning of related C. The number of spots can vary between high and low counts within the same sample, and are readily visible on even the smallest fish.

It prefers cool, clear running waters. The holotype of Cobitis taenia satunini described from "Kavkaz" and "nizov'ya r. A bar extends from the eye antero-ventrally. Five lateral pigmentation zones exist with L1 narrower than L2, L3 with obvious dark speckles, L4 with a few small spots and reduced in the postdorsal fin part, L2 and L4 zones with irregular spots, and L5 zone wider than L1 and L3 Mousavi-Sabet et al.

Amin KeyvanIranian ichthyologist.