Edit Danio roseus
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Name
Scientific name
Danio roseus
Described by
Authority Fang & Kottelat, Year 2000
Family
Cyprinidae
Common names
Rosy Danio
Photograph credits
All 6 credited
Summary
The rosy danio, Danio roseus, is a small cyprinid from the Mekong basin in northern Thailand and Laos, also recorded in northern Myanmar. C…
Size and aquarium
Maximum size
55mm, standard length
Aquarium size
Minimum length 90 cm, Minimum depth 30 cm
Water
Water conditions
Temperature 18–25°C, pH 6–7.5
Hardness
2–15dGH
Conductivity
Not recorded
Behaviour
Temperament
Peaceful
Social needs
A shoal or group
Community suitability
Community-safe
Where it lives
Countries, regions, rivers and lakes
Laos, Myanmar, Thailand, Mekong
Writing
Etymology
Danio: from Dhani, a Bengalese vernacular term for small, minnow-like cyprinids. roseus: from the Latin roseus, meaning 'rosy, pink', in reference to the colou…
Distribution
Described from the Mekong River basin in Nong Khai and Chiang Rai Provinces, northern Thailand, and Louangphabang Province, northern Laos but now known to occu…
Habitat
Most commonly found in small, well-oxygenated, running streams under forest cover but has also been collected from backwaters of larger rivers, and there exist…
Aquarium size
Base dimensions of 90 ∗ 30 cm or equivalent should be the smallest considered.
Maintenance
Looks particularly effective in a heavily-planted arrangement with a darker substrate, and may appear paler in sparsely-decorated set-ups. We suggest maintaini…
Water conditions
Not written yet
Diet
Almost certain to prey chiefly on insects and their larvae in nature. In the aquarium it's largely an unfussy feeder and will accept most foods. A good quality…
Behaviour and compatibility
This species is very peaceful indeed making it an ideal resident of the well-furnished community tank. Since it places no special demands in terms of water che…
Sexual dimorphism
Females tend to grow larger than males and are generally deeper-bodied, more so when gravid.
Reproduction
Like many small cyprinids this species is an egg-scattering spawner that exhibits no parental care. That is to say when the fish are in good condition they wil…
Notes
D. roseus is a relatively recent addition to the aquarium trade but has proved very popular since it's colourful, hardy and usually quite cheap making it ideal…
References
References
7 on this profile