Page 34 - 몽골 어류도감 편집본

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

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Rhodeus sericeus Pallas, 1776 Rhodeus sinensis Günther, 1868

bitterling

Korean name Mongolian name Sample number Korean name Mongolian name Sample number
납줄개 Халбаган жараа NNIBR-P36506 Нангиад жараа NNIBR-P11548

Form Form
Body is deep. Back is grayish brown; sides of body are silvery with narrow green blue longitudinal stripe Body is deep and oval. Mouth small, subterminal and slightly oblique. Barbels are absent. Dark spot
posteriorly. Mouth small, subterminal and slightly oblique. Barbels are absent. Scales large. Dorsal fin on the anterior portion of the dorsal fin in females and a distinct but narrow black margin on the anal
length equal to length of anal fin. Dorsal fin elongate, commencing slightly behind the base of pelvic fin in males. Middle part of the caudal fin is scarlet. Dorsal fin starts from the middle of the body. Total
fins. Anal fin commencing before the vertical through the end of dorsal fin. Gill rakers 11-15. Dorsal fin vertebrae are 32-34. Dorsal fin rays iii 8-10. Anal fin rays iii 8-10. Number of scales in the lateral series
rays iii 8-11. Anal fin rays iii 8-10. Lateral line incomplete, with 5-11 scales. 32-34, number of pored scales 3-4.
Distribution Distribution
In Mongolia: in Lake Buir and in Rivers Kherlen, Onon, Khalkh and Orshuun. Outside Mongolia: from In Mongolia: Khalkh drainages and Lake Buir. Outside Mongolia: China.
Amur drainage to southern China, Sakhalin Island.
Ecological characteristics
Ecological characteristics Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until
Inhabits in ponds, lakes, marshes, muddy and sandy pools and backwaters of rivers. Feeds mainly on they can swim.
plant material but also on small larvae of insects. Known for its habit of laying its eggs in the mantle
cavity of freshwater mussels. Reproduction takes place from April to June.

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