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



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                   Acheilognathus asmussii Dybowski, 1872                                                                                  Carassius carassius (Linnaeus, 1758)

                                         Amur spiny bitterling                                                                                                    crucian carp


             Korean name               Mongolian name            Sample number                                                    Korean name               Mongolian name            Sample number
                                       Хатгуурт харваа загас     NNIBR-P11511                                                     붕어                        Алтлаг хэлтэг             NNIBR-P11598


























            Form                                                                                                                 Form
            Dorsal and anal fins are with spiny rays and dorsal fin long. In upper jaw of adult have a pair of vestigial         The cruciian carp is a deep bodied. Body color is yellowish brown, scales edges are dark. More pointed
            barbels. Back is grayish brown, on side is silvery, sometimes bluish. Scales are light gold. Pelvic fins             snout. Dorsal fin is long and concave in shape. Dorsal and anal fins with serrate bony spines, pelvic fins
            have goldish spots. Head small. Mouth terminal. Near the caudal fin have grayish stripe. Dorsal fin                  short, broad and thoracic. Scales large, setting deeply. Mouth terminal. Caudal fin more deeply forked.
            rays iii 16-19. Anal fin rays iii 12-14. The pharyngeal teeth are in a single row, usually 4-4. Lateral line         The pharyngeal teeth are in a single row, usually 4-4. Dorsal fin rays iii 14-20. Anal fin rays iii 4-7. Gill
            complete, with 36-39 scales.                                                                                         rakers 44-52. Lateral line complete, with 29-31 scales.
            Distribution                                                                                                         Distribution
            In Mongolia: Kherlen, Onon and Khalkh drainages, and Lake Buir. Outside Mongolia: Amur drainage in                   In Mongolia: Kherlen drainages, and Lake Buir. Outside Mongolia: East Asia, China, Korea and Japan.
            Russia and China.
                                                                                                                                 Ecological characteristics
            Ecological characteristics                                                                                           Warm water species. Body length reach up to 48 cm length. Spawning season is from May to July.
            It lives in rivers with sandy bottom and a moderate current and also in lakes. Maximum body length is                The crucian carp are omnivores. Can strongly tolorate low oxygen concentration and pollution. Usually
            about 16 cm. Spawning from May to July. When spawning, female lay eggs inside mussels. They feed                     inhabit shallow waters, near shores of lake with heavy growths of aquatic vegetation.
            on algae and aquatic plants.



















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