Edit Rasbora rubrodorsalis
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Name
Scientific name
Rasbora rubrodorsalis
Described by
Not recorded
Family
Cyprinidae
Common names
Not recorded
Photograph credits
All 4 credited
Summary
Rasbora rubrodorsalis is a small rasbora from Thailand, found most abundantly in the lower Mekong river basin in the northeast of the count…
Size and aquarium
Maximum size
30mm, standard length
Aquarium size
Minimum length 45 cm, Minimum depth 30 cm, Minimum height 30 cm, Water movement Low: still or sluggish water
Water
Water conditions
24–28°C
Hardness
2–10dGH
Conductivity
Not recorded
Behaviour
Temperament
Peaceful
Social needs
A shoal or group
Community suitability
Not recorded
Where it lives
Countries, regions, rivers and lakes
Cambodia, Thailand, Mekong
Writing
Etymology
Not written yet
Distribution
It is found most abundantly in the lower Mekong river basin, northeastern Thailand. One interesting collection locality is an area of wetland called Kud Ting i…
Habitat
This species has mainly been collected from shallow margins of gently flowing or still waters including swamps, marshes, reservoirs and floodplains. Apparently…
Aquarium size
A tank measuring 45 ∗ 30 ∗ 30 cm/~41 litres is big enough to house a small group of these.
Maintenance
Choice of decor is not especially critical although the fish tend to show better colouration when maintained in a well-planted set-up with a dark substrate. Th…
Water conditions
Temperature: 24 – 28 °C pH: 6.5 - 7.5 Hardness: 2 - 10°H
Diet
Like similar species such as R. borapetensis it is probably a micropredator feeding on small insects, worms, crustaceans and other zooplankton in nature. In th…
Behaviour and compatibility
This species is very peaceful indeed making it an ideal resident of the well-furnished community tank. As it places no special demands in terms of water chemis…
Sexual dimorphism
Males are noticeably smaller and slimmer than females and tend to be more intensely coloured, especially when in spawning condition.
Reproduction
Like many small cyprinids this species is an egg-scattering, continuous spawner that exhibits no parental care. That is to say when the fish are in good condit…
Notes
R. rubrodorsalis occurs sympatrically with the very similar-looking R. borapetensis over some of its natural range but is much the rarer of the two in the aqua…
References
References
6 on this profile