Edit Danio feegradei

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Name

Scientific name

Danio feegradei

Described by

Authority Hora, Year 1937

Family

Cyprinidae

Common names

Yoma Danio

Photograph credits

All 9 credited

Summary

The Yoma danio, Danio feegradei, is a cyprinid considered endemic to the western slopes of the Rakhine Yoma in western Myanmar. Seen in the…

Size and aquarium

Maximum size

60mm, standard length

Aquarium size

Minimum length 120 cm, Minimum depth 45 cm

Water

Water conditions

Temperature 18–25°C, pH 6.5–7.5

Hardness

2–12dGH

Conductivity

Not recorded

Behaviour

Temperament

Not recorded

Community suitability

Community-safe

Where it lives

Countries, regions, rivers and lakes

Myanmar, Yan Khaw Chaung

Writing

Etymology

Danio: from Dhani, a Bengalese vernacular term for small, minnow-like cyprinids. feegradei: in honour of Lieutenant E. S. Feegrade, malariologist and Public He…

Distribution

Currently considered endemic to the Rakhine Yoma/Arakan mountains in Rakhine state, western Myanmar; this range forms a natural barrier which cuts the state of…

Habitat

Typically inhabits small forest streams. In the Yan Khaw Chaung (Yan Khaw stream) it occurs alongside Devario xyrops, Garra rakhinica, G. vittatula, Xenentodon…

Aquarium size

Even a small group needs an aquarium with base measurements of 120 ∗ 45 cm or more.

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

Probably preys on insects and their larvae in nature. In the aquarium it's largely an unfussy feeder and will accept most foods. A good quality dried product o…

Behaviour and compatibility

Not an aggressive fish but may upset very slow-moving or timid tankmates with its constant activity and vigorous feeding behaviour so can only be considered ap…

Not an aggressive fish but may upset very slow-moving or timid tankmates with its constant activity and vigorous feeding behaviour so can only be considered appropriate for larger tanks containing robust, similarly-sized fishes.

There are plenty of suitable choices including many cyprinids, loaches, cichlids, catfish and characins although as always when selecting a compatible community of fish proper research is essential.

Other species from the Rakhine Yoma available in the trade include Rasbora daniconius, R. rasbora, Garra flavatra, G. spilota, Lepidocephalichthys berdmorei, Opsarius barna and Devario xyrops.

Though gregarious by nature it's a shoaling rather than schooling fish which only groups together very tightly when threatened, while at other times rival males spar regularly.

Maintaining it in numbers of 10 or more will allow sub-dominant fish of both sexes some respite from the alpha individual(s) which can be quite aggressive at times.

It's not uncommon to see nipped fins in lesser fish and SF members who've kept it have even experienced losses of otherwise healthy specimens; another reason we recommend keeping this species only in larger aquaria.

Alpha males are clearly distinguishable by their brighter, more intense colouration.

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Where does this come from?

My own experienceFor example, I've kept twelve in a planted 60 cm tank since March 2024.A website I sawFor example, an IUCN Red List assessment, a museum catalogue or a FishBase page.A paperFor example, Marshall et al. (2011), Water temperature differences in interfluvial palm swamp habitats of Paracheirodon axelrodi and P. simulans.A book, or something not onlineFor example, Tappin (2010), Rainbowfishes: their care and keeping in captivity.Something already on the pageFor example, the Behaviour and compatibility section already says this.

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DOI

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Title

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Authors

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Year

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Pages

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Anything worth adding

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Sexual dimorphism

Mature males are the more colourful and noticeably slimmer sex plus they have orange, as opposed to white in females, edges to the ventral and anal fins. In gr…

Reproduction

Like most 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 will spaw…

Notes

This species was first seen in the hobby around 2005 and has been available on a sporadic basis since, often under alternative names such as 'Danio sp. Yoma', …

References

8 on this profile

Name

Scientific name

Described by

Family

Common names

Photograph credits

Summary

Size and aquarium

Maximum size

Aquarium size

Water

Water conditions

Hardness

Conductivity

Behaviour

Temperament

Social needs

Community suitability

Where it lives

Countries, regions, rivers and lakes

Writing

Etymology

Distribution

Habitat

Aquarium size

Maintenance

Water conditions

Diet

Behaviour and compatibility

Sexual dimorphism

Reproduction

Notes

References

References