Marsh minnow

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Marsh minnow
Rhynchocypris percnurus sachalinensis

Rhynchocypris percnurus sachalinensis

Systematics
without rank: Otophysa
Order : Carp-like (Cypriniformes)
Subordination : Carp fish-like (Cyprinoidei)
Family : White fish (Leuciscidae)
Genre : Rhynchocypris
Type : Marsh minnow
Scientific name
Rhynchocypris percnurus
( Pallas , 1814)

The swamp minnow ( Rhynchocypris percnurus ) is a species from the carp family (Cyprinidae).

features

The fish, up to 12 centimeters long , is similar to the minnow , but is stockier, higher-backed and therefore clumsier. The back is dark brown in color with a greenish sheen. The sides are yellowish with small, irregular dark spots, the belly is white.

Occurrence

The distribution area of ​​the species extends from the Dwina to the Kolyma as well as to the Kama and the Dnepr . An isolated occurrence is in Poland. There are several subspecies, including in Europe:

  • Rhynchocypris percnurus dybowskii Lorec & Wolski, 1910 in the area of ​​the Vistula
  • Rhynchocypris percnurus gdaniensis Berg, 1932, near Danzig
  • Rhynchocypris percnurus posnaniensis Berg, 1932, near Posen and in the Oder region
  • Rhynchocypris percnurus stagnalis Warpachowski, 1886, in the lakes of the central Volga region

Way of life

The swamp minnow populates stagnant water with strong vegetation and has a low need for oxygen. It is a schooling fish and feeds on small crustaceans, insect larvae, worms and approach food. It spawns from April to June. The eggs are laid on the leaves of aquatic plants. The fish is caught locally with draw nets and fish traps.

literature

  • Werner Ladiges, Dieter Vogt: The freshwater fish of Europe . Paul Parey Publishing House, Hamburg and Berlin, 1965

Web links

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