Page 46 - 몽골 어류도감 편집본

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

31 32

Lota lota (Linnaeus, 1758) Cottus szanaga Dybowski, 1869

burbot Siberian bullhead

Korean name Mongolian name Sample number Korean name Mongolian name Sample number
모오캐 Гутаарь NNIBR-P36521 Амарын эрээн живэрт NNIBR-P36405

Form Form
Body elongate, rounded in anterior part and strongly compressed in posterior part. Coloration is yellowish Body elongate, yellow green, with 4-5 brown spots on the sides, one of them in the base of the caudal
brown to dark olive above, sides and unpaired fins with light and dark spots. Coloration very variable. Has fin. Belly is light. Dorsal, Caudal and pectoral fins have dark stripes. Body naked, very small bony
single barbel on the chin. The scales are small and cycloid. Head broad and flat. On the jaws and on the palate spinules hidden in skin are observed only under pectoral fins. Preoperculum has two spines. Pectoral
have small setaceous teeth. Has two dorsal fins, first fin short, and second fin long and anal fin too. Dorsal fins long. Mouth large. Dorsal fin rays VIII-IX, 16-19. Anal fin rays 12-15. Lateral line incomplete, placed
fin rays 10-15, 71-88. Anal fin rays 69-85. Caudal fin rounded. Lateral line continuous until to the caudal fin. above the body lateral axis.
Distribution Distribution
In Mongolia: rivers and lakes of Selenge drainage, in Lake Khuvsgul and its tributaries, Lakes Ugii, Terkhiin In Mongolia: Onon drainage. Outside Mongolia: Amur drainage.
Tsagaan; rivers and lakes of Amur drainage, in upper reaches of Rivers Onon, Kherlen, Khalkh; Lake Buir. Ecological characteristics
Outside Mongolia: northern Eurasia, from France to River Lena, Black and Caspian Seas basins.
Inhabits highland rivers and lakes with sand and gravel bottom. Benthic life style, hiding under rocks.
Ecological characteristics Not active to move. Body length usually 7-8 cm. Feeds on benthic insect larvae, fish eggs and small fry.
Fresh cold water species. Inhabits rivers and streams with riffles, and cool clear waters in lakes of high
land. In summer occurs at the upper reaches of the rivers. In autumn when water temperature decreases
burbot moves to down habitats in main course of the river.

46 47