Edit Boraras maculatus
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Name
Scientific name
Boraras maculatus
Described by
Authority Duncker, Year 1904, Bracketed
Family
Cyprinidae
Common names
Dwarf Rasbora
Photograph credits
All 20 credited
Summary
The dwarf rasbora, Boraras maculatus, is a miniature cyprinid from Peninsular Malaysia, southern Thailand, eastern Sumatra, Singapore and B…
Size and aquarium
Maximum size
25mm, standard length
Aquarium size
Minimum length 45 cm, Minimum depth 30 cm, Water movement Low: still or sluggish water
Water
Water conditions
Temperature 20–28°C, pH 4–6.5
Hardness
1–5dGH
Conductivity
Not recorded
Behaviour
Temperament
Peaceful
Social needs
A shoal or group
Community suitability
Community-safe
Where it lives
Countries, regions, rivers and lakes
Indonesia, Malaysia, Singapore, Thailand, Peninsular Malaysia, Riau Islands, Sumatra
Writing
Etymology
Boraras: anagram of the generic name Rasbora, in reference to the reversed ratio of abdominal and caudal vertebrae in this genus. maculatus: from the Latin mac…
Distribution
Described from Bandar Maharani, now more often referred to as Muar, district in Johor state, southern Peninsular Malaysia and distributed throughout the countr…
Habitat
Inhabits black water streams and rivers associated with ancient forest peat swamps. The water is stained brown due to the release of tannins and other chemical…
Aquarium size
Though small it still needs space to swim and dominant males will form temporary territories when spawning so a group is best kept in an aquarium with base dim…
Maintenance
Best kept in a densely-planted aquarium and is an excellent choice for the carefully-aquascaped set-up. The addition of some floating plants and roots or branc…
Water conditions
Not written yet
Diet
Stomach analyses of wild specimens have revealed it to be a micropredator feeding on small insects, worms, crustaceans and other zooplankton. In the aquarium i…
Behaviour and compatibility
This species is very peaceful but does not make an ideal community fish due to its small size and rather timid nature. It will do best when maintained alone or…
Sexual dimorphism
Mature females are noticeably rounder-bellied and often a little larger than males. Males are generally more attractive with dominant individuals often display…
Reproduction
Like many small cyprinids this species is an egg-scattering, continuous spawner that exhibits zero parental care. That is to say when in good condition and in …
Notes
Within the genus Boraras this species is most similar to B. naevus, though in the latter the red body colouration does not extend into the head. The two also d…
References
References
7 on this profile