Edit Devario shanensis

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Name

Scientific name

Devario shanensis

Described by

Authority Hora, Year 1928, Bracketed

Family

Cyprinidae

Common names

Not recorded

Photograph credits

All 4 credited

Summary

Sometimes called the 'Hora danio' or 'Salween danio', Inlecypris shanensis is a small cyprinid from Shan state, Myanmar. Known from the Dut…

Size and aquarium

Maximum size

60mm, standard length

Aquarium size

Minimum length 80 cm, Minimum depth 30 cm

Water

Water conditions

Temperature 18–26°C, pH 6–8

Hardness

2–15dGH

Conductivity

Not recorded

Behaviour

Temperament

Peaceful

Community suitability

Community-safe

Where it lives

Countries, regions, rivers and lakes

Myanmar, Duthawadi, Salween

Writing

Etymology

Inlecypris, the genus this species was placed in before it was moved to Devario: from Inle, referring to Inlé Lake, Myanmar, to which the type species is endem…

Distribution

Known from the Duthawadi and Salween river systems in Shan state, northeastern Myanmar although the full extent of its range remains somewhat unclear. Type loc…

Habitat

Has been collected from fast-flowing streams containing clear water with substrates of rocks, pebbles and sand. Sympatric fish species include Danio roseus, Op…

Aquarium size

An aquarium with surface dimensions of 80 ∗ 30 cm or similar should be the smallest considered.

Maintenance

Thrives in an aquarium set up to resemble a flowing stream or river with a substrate of variably-sized, water-worn rocks, sand, fine gravel and perhaps some sm…

Water conditions

Not written yet

Diet

Almost certain to prey chiefly on insects and their larvae in nature although in the aquarium it's a largely unfussy feeder and will accept most foods. A good …

Behaviour and compatibility

A peaceful species suited to a well-chosen community aquarium. There are plenty of potential tankmates including many cyprinids, loaches, cichlids, catfishes a…

Sexual dimorphism

Sexually mature females are normally deeper-bodied, less colourful and grow a little larger than males. Nuptial males intensify in colour, especially when repr…

Reproduction

An egg-scattering free spawner exhibiting no parental care. When in good condition they will spawn often and in a well-planted, mature aquarium it's possible t…

An egg-scattering free spawner exhibiting no parental care.

When in good condition they will spawn often and in a well-planted, mature aquarium it's possible that small numbers of fry may start to appear without intervention.

However if you want to maximise yield a more controlled approach is required.

The adult group can still be conditioned together but a smaller tank should also be set up and filled with mature water.

This should be very dimly lit and the base covered with some kind of mesh of a large enough grade so that the eggs can fall through but small enough so that the adults cannot reach them. The widely available plastic 'grass'-type matting can also be used and works well, as does a layer of glass marbles.

Alternatively filling much of the tank with a fine-leaved plant such as Taxiphyllum spp. or wool mops can also return decent results.

The water itself should be of slightly acidic to neutral pH with a temperature towards the upper end of the range suggested above, and an air-powered sponge filter or air stone(s) should also be included to provide oxygenation and water movement.

When the adults are well-conditioned and the females appear gravid one or two pairs should then be introduced.

If ready spawning usually taking place within 24 hours, with the female tending to appear noticeably slimmer after the event, and after 48 hours the adults should be removed whether this is observed or not.

Incubation is temperature-dependant to an extent but typically lasts 24-36 hours with the young free-swimming a few days later.

Initial food should be Paramecium or similar, introducing Artemia nauplii, microworm, powdered dry foods, etc., once the fry are large enough to accept them.

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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

Journal or publisher

Pages

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Anything worth adding

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Notes

This species is sometimes referred to as 'Hora danio' or 'Salween danio'. It is distinguished from similar-looking species by a combination of characters as fo…

References

9 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