The ruffe's colors and markings are similar to those of the walleye, an olive-brown to golden-brown color on its back, paler on the sides with yellowish white undersides. The ruffe can reach up to 25 cm (9.8 in) in length, but is … 查看更多內容

The species occurs in the basins of the Caspian, Black, Aral, Baltic and North Sea, and is also found in Great Britain, parts of Scandinavia and … 查看更多內容

The ruffe has the capacity to reproduce at an extremely high rate. A ruffe usually matures in two to three years, but a ruffe that lives in warmer waters has the ability to reproduce in … 查看更多內容

Ecological effects
The introduction of the ruffe seems to be causing much damage to Lake Superior. This fish's … 查看更多內容

In Eurasia, the ruffe diet mainly consists of zoobenthos: chironomids, small aquatic bugs and larvae, which are all found in the benthic zone of the water column. As far as researchers … 查看更多內容

Life for the Eurasian ruffe, starts as an egg, like other fish. Egg sizes typically range from 0.34 to 1.3 mm (0.013 to 0.051 in) in diameter, depending on the size of the female. If … 查看更多內容

Ruffe were first discovered in Loch Lomond, Scotland, in 1982, probably introduced as live bait by pike anglers. It is now abundant throughout the … 查看更多內容