Europe and Asia: In Europe, north of the Alps, from Meuse eastward to Neva drainages and Lake Ladoga; northern Black Sea basin from Danube eastward to Kuban, absent on the southern section; Caspian basin in Volga and Ural drainages. Not native to Great Britain, Scandinavia, Apennine and Iberian peninsulas, Crimea, and Adriatic, Aegean and White Sea basins. Locally introduced in Rhône drainage (France) and perhaps elsewhere (Ref. 59043).
Length at first maturity / ขนาด / น้ำหนัก / Age
Maturity: Lm?, range 11 - ? cm Max length : 30.0 cm TL เพศผู้/กระเทย; (Ref. 556); 30.7 cm TL (female); common length : 15.0 cm TL เพศผู้/กระเทย; (Ref. 556)
Short description เครื่องมือที่ใช้ในการแยกชนิดสัตว์,สิ่งมีชีวิตออกจากกัน | สัณฐานวิทยา | ความยาวต่างๆ
เงี่ยงครีบหลัง (รวม) : 3; ก้านครีบอ่อนที่หาง (รวม) : 5 - 6; เงี่ยงครีบก้น: 3; ก้านครีบอ่อนที่ก้น: 8 - 11; สัตว์มีกระดูกสันหลัง: 49 - 50. Broad midlateral stripe from eye to caudal base and narrow stripe from opercle at least to pelvic origin. Lamina circularis absent in males (Ref. 59043). Caudal fin with 14-16 rays (Ref. 40476).
Facultative air-breathing (Ref. 126274); Found in lower reaches of slow-flowing rivers, but can also be found in still pools (Ref. 9696), on sandy bottoms of ponds, pools and ditches. Adults are nocturnal which burrow into mud during dry periods and strong frosts. Usually, burrows are 20-30 cm deep, occasionally down to 70 cm during dry periods (Ref. 59043). During the day, they stay buried in the sand. Feed on insect larvae and small mollusks. Seldom captured with hook and line (Ref. 30578). Are sensitive to pollutants which accumulate in the sediment (Ref. 11941). Facultative air-breathers (Ref. 27368). A female specimen measuring 30.7 cm TL was recorded from Netherlands (Ref. 114650).
