Page 41 - 몽골 어류도감 편집본

Freshwater Organisms in Pixels Fish of the Amur River List of fish

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Cobitis choii Kim and Son, 1984 Cobitis melanoleuca Nichols, 1925

Miho spine roach northern spine roach

Korean name Mongolian name Sample number Korean name Mongolian name Sample number
미호종개 Чуйн чимхүүр загас NNIBR-P11466 Шивэр чимхүүр загас NNIBR-P11468

Form Form
Body elongate and caudal peduncle more slender. Head small. Barbels are 3 pairs and somewhat long. Body elongate, compressed, covered with minute scales. Head laterally compressed, naked. Body
Body yellowish brown. On head and under eyes scattered very small spots. 8 spots before dorsal fin light yellowish, goldish. Has a row of 10-19 large, rounded dark brown spots, sometimes more or less
and the same spots located behind it in the back. 12-17 spots along lateral mid lines. Irregular spots conjugating into a wide streak. Have two dark brown spots on the base of caudal fin. Barbels are short
are scattered between the spots of the back and the mid lines, showing a tendency to form stripe. At and 3 pairs. A collapsible spine under the eye. Caudal fin rounded. Dorsal and caudal fins with rows of
the base of caudal fin 2 spots, of which the upper is more darker. Dorsal fin rays iii 7. Anal fin rays iii 5. dark speckles. Mouth inferior, small. Dorsal fin rays iii 6-7. Anal fin rays iii 5-6.
Scales very small. Lateral line incomplete. In males, a lamina circularis at the base of the pectoral fin.
Distribution
Distribution In Mongolia: Kherlen, Onon, Khalkh, Selenge and Bulgan drainages; Lakes Ugii, Khuvsgul and Buir.
In Mongolia: Kherlen River. Outside Mongolia: Amur drainage in China and Russia; Korea. Outside Mongolia: from the Don drainage eastwards to Amur and Huang He drainages (China).

Ecological characteristics Ecological characteristics
Inhabits small rivers and streams with shallow bays and lower reaches of the big rivers with slow Inhabits streams, and lower reaches of the rivers with slowing flowing water and sand bottom, and
flowing water and sand bottom. Small fish. Body length reach up to 70 mm. Feeds on benthic insect lakes with shallow bays. Body length reach up to 18 cm. Spawning in june. Females lay eggs on sand.
larvae and zooplakton. Feeds on insect larvae and zooplankton.

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