Marsh minnow
Marsh minnow | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Rhynchocypris percnurus sachalinensis |
||||||||||||
Systematics | ||||||||||||
|
||||||||||||
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
- Marsh minnow on Fishbase.org (English)
- Rhynchocypris percnurus in the endangered Red List species the IUCN 2006. Posted by: World Conservation Monitoring Center, 1996. Retrieved on December 15 of 2007.