Betta dimidiata
| Betta dimidiata | ||||||||||||
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Male Betta dimidata |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Betta dimidiata | ||||||||||||
| Roberts , 1989 |
Betta dimidiata is a mouth-brooding fighting fish , which is an exception among the mouth-brooding Betta speciesin terms of its small size, extraordinary colors and interesting behavior, and is therefore classified in its own group of shapes.
Like all fighting fish, B. dimidiata depends on the uptake of atmospheric oxygen via the labyrinth organ .
Appearance
Both sexes show a reddish-brown body color, the males have extraordinarily long fins. The anal of both sexes shows a broad, blue-green iridescent border, which is only indicated in the caudal, the body and the gill covers are covered with shiny scales. The ventrals also show an iridescent green-blue. In contrast to most other mouth-brooding Betta species, the females are very colorful.
With a size of about 7 cm, Betta dimidiata is one of the smaller mouth-brooding fighting fish.
Occurrence
The species comes from Borneo , Kalimantan and Indonesia (localities: Kapuas Basin, Sanggau, Sungai Gentu, Sintang, Sungai Seriang), where it inhabits stagnant and sluggishly flowing freshwater.
behavior
This species prefers life in groups and only shows its full spectrum of behavior in the company of other individuals of the same species. The animals are calm and somewhat shy, but lose all inhibitions in the reproductive period and show themselves to be active inhabitants of the tank. The males often fight for a show with spread fins and gill covers, fighting for damage is very rare. Generally, Betta dimidiata is a species with a very low potential for aggression. Reproduction takes place in the typical mouth-brooder manner, the male carries 30 to 40 fertilized eggs in its mouth for about ten days and then releases the already independent young fish. The brooding couple is guarded by the entire group and defended against intruders.
attitude
Betta dimidiata is a distinct group fish. A group of at least six animals, which can be accommodated in a well-planted and structured tank with an edge length of 80 cm or more, is ideal. Despite the peaceful way of life of the species, enough hiding places should be provided in the tank so that inferior animals can retreat. Great importance should be attached to the water quality - B. dimidata comes from soft water biotopes (pH 5.5–6.5, GH 0–2 °, temp. ~ 27 ° C) and should also be kept at similar values.
literature
- Robert Donoso-Büchner, Jürgen Schmidt: Fighting fish - wild forms, your hobby . Bede-Verlag, Ruhmannsfelden 1999, ISBN 3-933646-09-X .
- Helmut Pinter: Labyrinth fish, pike heads and snakehead fish . Verlag Eugen Ulmer, Stuttgart 1999, ISBN 3-8001-7093-0 .
Web links
- Betta dimidiata on Fishbase.org (English)