Page 42 - 몽골 어류도감 편집본

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

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Misgurnus mohoity (Dybowski, 1869) Silurus asotus Linnaeus, 1758

Amur weatherfish Amur catfish

Korean name Mongolian name Sample number Korean name Mongolian name Sample number
Амарын моголзой NNIBR-P11464 메기 Амарын цулбуурт загас NNIBR-P36496

Form Form
Body elongate and covered with small scales. Eyes small. No collapsible spine under the eye. Have 5 Head large, depressed, snout rounded. Body without scales, naked. Mouth large, teeth on the jaws
pairs of barbels: 2 pairs on the upper jaw, 2 pairs on the lower jaw and 1 pair at the corner of the mouth. and on the palate. Have 2 pairs of barbels: a pair on maxilla long and other pair on mandibula. Back and
Dorsal fin short, origin above the pelvic fins. Caudal fin rounded. Well distinct dark spot presents above sides brown grayish, belly light. Dorsal fin very small, without spiny ray. Anal fin long, confluent with the
the base of caudal fin. Back is grayish black, sides are light. Dark speckles irregularly scattered on the caudal fin. Caudal fin rounded. No adipose fin. Gill rakers 8-14. Dorsal fin rays 4-5. Anal fin rays 79-81.
sides of the body. Dorsal fin rays iii 7. Anal fin rays iii 5. Lateral line incomplete.
Distribution
Distribution In Mongolia: in Lake Buir and in Rivers Orshuun, Khalkh, Onon, Kherlen and their tributaries. Outside
In Mongolia: Rivers Onon, Kherlen, Ulz and Khalkh; Lake Buir and Selbe River. Outside Mongolia: Amur Mongolia: from the Amur drainage to central Vietnam; Korea; Japan; Taiwan.
drainage; northeastern China.
Ecological characteristics
Ecological characteristics Amur catfish prefers slow flowing rivers and lakes, with abundant aquatic vegetation and mud bottom.
Inhabits standing muddy water. Occurs in rivers with slow flowing bays with vegetation and mud. Body It is active at night. Body length reach up to 1 m. Spawning from May to July. Females lay eggs at 0.5
length reach up to 16 cm. Spawning from May to June. Females lay eggs on vegetation. Eggs brownish m depth with high vegetation. Feeds on mainly on small fish and larvae of insect.
yellow. Feeds on benthic insect larvae and zooplankton.

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