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Freshwater Organisms in Pixels Fish of the Amur River List of fish
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Rhynchocypris czekanowskii (Dybowski, 1869) Rhynchocypris lagowskii (Dybowski, 1869)
Czekanowski's minnow Amur minnow
Korean name Mongolian name Sample number Korean name Mongolian name Sample number
Чекановскийн варлан NNIBR-P11385 버들피리 Лаговскийн варлан NNIBR-P36445
Form Form
Body depth smaller than caudal peduncle length. Body covered with bright little dark spots and dark Back yellowish brown, abdomen and sides silvery yellow. Back and body sides have small dark spots.
longitudinal stripes. Back brownish dark, body sides golden brown, abdomen light. Forehead slightly Body sides with black mid lateral stripes. Mouth large, subterminal. Eyes big. Abdomen densely
convex. Mouth small, slightly subterminal. Scales small. Pharyngeal teeth are in two rows, have covered by scales. Pharyngeal teeth are in two rows, having formula 2.5-4.2. Gill rakers 8-10. Dorsal fin
formula 2.5-4.2. Gill rakers 6-8. Dorsal fin rays iii 7. Anal fin rays iii 6(7), pectoral fin rays i 12-13. Lateral rays iii 6-8. Anal fin rays iii 7. Lateral line complete, with 62-89 scales.
line incomplete, with 82-90 scales. A long pointed conical projection on male genital papilla.
Distribution
Distribution In Mongolia: Onon and Kherlen drainages, Lake Buir; Selenge drainage: Kharuukhiin stream and Tuul
In Mongolia: Rivers Tuul, Onon and Kherlen, and Lake Buir. Outside Mongolia: Arctic Ocean basins, River. Outside Mongolia: upper Lena and Amur drainages, in Russia and China, Korea and Japan.
from Kara to Kolyma; Amur drainage in Russia and China.
Ecological characteristics
Ecological characteristics Cold water species. Inhabits rivers and lakes. In summer fry occurs in rivers with slow current. Body
Inhabits rivers with fast flowing current. Occurs in cool and high land rivers. Rare in ponds and still length reach up to 17-20 cm. Spawning from June to July. Females lay eggs in rivers with fast current
waters. Small fish, body length reach up to 10 cm length. Spawning in mid June. Females lay eggs on on gravel and stones. Feeds on aquatic vegetation, zooplakton and larvae of insects. Forms schools.
gravel and stone. Feeds on algae, zooplakton and insect larvae.
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