Chub
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(lat. Squalius cephalus, Linneaus 1758) |
Description: streched, prolonged body. Nearly circular
lateral-cut. Bulky head with terminal mouth. Big, black bordered scales.
Colour of the rear greybrown to yellow olive, seldom nearly black. The side
silvery yellow to bright brown. The venter is white. The ventral and anal
fins show a red tone. The anal fin is convex. In average the chub is about 30 – 40 cm
of length.
Maximum length is up to 70 cm. The maximum weight is 8 kg.
The main part of its food are soft waterplants. However the feeding scale is
quite large. As young ones they eat larvae and nymphes while growing up the
bigger ones get more and more predatory, than feeding on small fishes and
amphibes. Also fruits that fell into to water are eaten.
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Appearance: Nearly all over europe . Missing in Ireland,
Scotland, north Scandinavia and south Italy.
The chub prefers the grayling and barbel region. It likes to stay near
barrages. Its also capable to swim up into the trout region. In lakes
connected to this regions it is sometimes seen with remarkable size. |
Lifecycle: Its spawning season reaches weather-dependend from
april to june. The spawners than deposit up to 200.000 eggs on plants and
stones. The milters wear a corny white deflection at the head during this
time.
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Features : According to a survey in the lower rhine this
fishspecies undertakes migrations up to 100 km - migrations of about 10 km
were observed quite often. |
Further informations :
Fishekology 2/89
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