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



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                  Hemiculter leucisculus (Basilewsky, 1855)                                                                             Ladislavia taczanowskii Dybowski, 1869

                                              sharp belly                                                                                                    Tachanovsky's gudgeon


             Korean name               Mongolian name            Sample number                                                    Korean name               Mongolian name            Sample number
             치리                        Амарын хавчигас           NNIBR-P11590                                                     새미                        Тачановскийн гүрц         NNIBR-P36476


























            Form                                                                                                                 Form
            Body elongate and slender. Mouth terminal. Eye large. There is keel from base of ventral fin to anus,                Body brownish or grayish brown. Back and sides with darkish edged scales, lateral scales looks like
            not strong. Lateral line extends straight from head and a curved down in to abdomen, and then folds                  stripe. Pectoral, pelvic and anal fins rounded and dorsal fin blunt shaped. Snout blunt. Barbels very
            again up and ends straight in the caudal base. Back is brownish green, sides and belly silvery. Scales               small and short. Mouth inferior. Forehead plate. Eyes have high location on head. Pharyngeal teeth are
            very thin, silvery white. Pharyngeal teeth are in three rows, have formula 2.4.5-5.4.2. Dorsal fin rays iii          in two rows, have formula 2.5-5.2. Dorsal fin rays iii 7. Anal fin rays iii 6. Lateral line complete, with 37-42
            6-7. Anal fin rays iii 11-16. Lateral line complete, with 44-49 scales.                                              scales.
            Distribution                                                                                                         Distribution
            In Mongolia: Lakes Buir and Bayan. Outside Mongolia: from Amur to Red River drainages; Korea,                        In Mongolia: in Rivers Onon, Balj and Khurkh. Outside Mongolia: Amur and Yalu drainages; Korea.
            Taiwan.
                                                                                                                                 Ecological characteristics
            Ecological characteristics                                                                                           Inhabits main course of rivers, usually in streams of highlands. Not far migrated. Spawning from June
            Inhabits both lakes and rivers. In fall from lake move to main course of the river for wintering. Body               to July. Lay eggs on gravel, cobble bottom of rivers, spawn multiple times in a season. Feeds on aquatic
            length reach up to 20 cm. Form a school. Spawning from June to July. Feed on zooplakton, green algae                 benthic algae and small invertebrates.
            and diatom, and aquatic benthic insects.



















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