Page 37 - 몽골 어류도감 편집본
P. 37

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



 21                                                      22

 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.



















 36                                                                                             37
   32   33   34   35   36   37   38   39   40   41   42