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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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