Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; pH range: 5.8 - 6.3; dH range: 2 - 3; سمكة نهرية; نطاق العمق 0 - ? m. Temperate; 18°C - 21°C (Ref. 1672); 60°N - 35°N, 5°W - 145°E
Asia. Amur basin and Sakhalin Island, Russia. Introduced elsewhere.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 3.5, range 3 - 4 cm
Max length : 11.0 cm TL ذكر/ مختلط الجنس; (Ref. 5723); العمر: 5 سنين (Ref. 27368)
الأشواك الظهرية (المجموع): 3; الأشعة الظهرية الناعمة (المجموع): 8-10; شوكة شرجية 3; أشعه شرجية لينه: 8 - 10; فقرات: 34 - 38
Occurs in ponds, lakes, marshes, muddy and sandy pools and backwaters of rivers (Ref. 5723). Feeds mainly on plant material but also on small larvae of insects. Its occurrence is related to those of the bivalve Anodonta cygnea and other freshwater mussels (Ref. 30578). Known for its habit of laying its eggs in the mantle cavity of freshwater mussels (Ref. 1739). Reproduction takes place from April to June (Ref. 30578).
Hides eggs in live invertebrates such as mussels, crabs or ascidians. The female develops a conduit ovipositor by which it deposits its ovules between the gills of the bivalve. The male then comes to deposit its seed close to the respiratory opening of the bivalve; at the interior of which fertilization takes place. The male keeps the eggs and alevins until they leave the refuge. In exchange, the fish rids the bivalve of its parasites (Ref. 30578). The young leave the mussel about 28 days after hatching, having reached a length of about 10 mm (Ref. 41678).
Bogutskaya, N.G. and A.M. Komlev, 2001. Some new data to morphology of Rhodeus sericeus (Cyprinidae: Acheilognathinae) and a description of a new species, Rhodeus colchicus, from West Transcaucasia. Proc. Zool. Inst. 287:81-97. (Ref. 50154)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
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