Harlequin harlequin
| Harlequin harlequin | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Beautiful fin fish ( Rasbora kalochroma ) |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Rasbora kalochroma | ||||||||||||
| ( Bleeker , 1851) |
The Clown Rasbora ( Rasbora kalochroma ( Gr ./Lat. "Kalos" = beautiful, "chroma" = color)) is a small freshwater fish , in the South-East Asia to the Malay Peninsula , Sumatra and South Kalimantan occurs.
features
The harlequin harlequin has an elongated, torpedo-shaped body that is strongly flattened on the sides. It reaches a maximum length of 8 to 10 cm. The basic color is reddish, the back is brownish. On the sides of the body there are two dark spots, one above the pectoral fins, the other above the anal fin. The spots can be connected by an indicated band consisting of dots. The fins are blood red, the tip of the anal fin dark. The iris shines red above, golden below. Males are slimmer and more vividly colored, females are more compact.
- Fins formula : dorsal ii / 7, anal ii / 7, pectoral i / 13-14, ventral ii / 5.
- Scale formula : mLR 28–31.
Way of life
Blue-finned barbels live in the middle layers of water, are not schooling fish, but live in socially interacting groups, from which reproductive pairs separate briefly and form small territories that they defend from other species.
Aquaristics
The beautiful finfish was introduced to Germany for the first time in 1965. It is sensitive to transport and often comes onto the market completely weakened and does not survive long in the aquarium.
literature
- Hans A. Baensch , Rüdiger Riehl : Aquariums Atlas, Volume 1 . Mergus Verlag, 1997, ISBN 3-88244-101-1 .
- Günther Sterba (Ed.), Gert Brückner: Encyclopedia of Aquaristics and Special Ichthyology. Neumann-Neudamm, Melsungen u. a. 1978, ISBN 3-7888-0252-9 .
- Günther Sterba: The world's freshwater fish. 2nd Edition. Urania, Leipzig / Jena / Berlin 1990, ISBN 3-332-00109-4 .
- Axel Zarske: Rasbora kalochroma (Bleeker, 1850). Fair-colored barb. In: Claus Schaefer, Torsten Schröer (Hrsg.): The large lexicon of aquaristics. Eugen Ulmer, Stuttgart 2004, ISBN 3-8001-7497-9 , p. 849.
Web links
- Pearfish on Fishbase.org (English)