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Edit Microdevario nanus

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Name

Scientific name

Microdevario nanus

Described by

Authority Kottelat & Witte, Year 1999

Family

Cyprinidae

Summary

Microdevario nanus is a miniature cyprinid from the lower Sittaung and Bago drainages of the Irrawaddy system in Myanmar. Sometimes referre…

Size and aquarium

Maximum size

16mm, standard length

Tank size

Minimum length 45 cm, Minimum depth 30 cm

Water

Temperature and pH

Temperature 20–27°C, pH 6–7.5

Hardness

1–12dGH

Conductivity

Not recorded

Behaviour

Temperament

Peaceful

Social needs

A shoal or group

Community suitability

Community-safe

Where it lives

Countries

Myanmar

Supporting text

Etymology

Microdevario: from the Ancient Greek μικρός (mikrós), meaning 'small', and the generic name Devario, in allusion to the small size of genus members and their e…

Distribution

Known only from the lower Sittaung and Bago river drainages, both of which are tributaries within the lower Irrawaddy system, and may be endemic to the Irrawad…

Habitat

The Irrawaddy Delta is a very flat, low (mostly 1 - 15 m AMSL), alluvial plain transected by a number of rivers and streams, with much of the central and upper…

Aquarium size

An aquarium with base dimensions measuring 45 ∗ 30 cm18 ∗ 12 in or equivalent.

Maintenance

Best maintained in a densely-planted tank and is an excellent choice for the carefully-aquascaped set-up. Filtration should be relatively gentle, while the add…

Water conditions

Not written yet

Diet

Likely to feed on small invertebrates, algae and other zooplankton in nature. In the aquarium it will accept dried foods of a suitable size but should mostly b…

Behaviour and compatibility

Very peaceful but best maintained alone or with comparably-sized species that enjoy similar conditions. Other small fishes from Myanmar such as Danio choprae, …

Sexual dimorphism

Mature females tend to be deeper-bodied and noticeably larger than the more compact, intensely-coloured males.

Reproduction

It is unclear whether M. nanus has been bred in aquaria but success has been achieved with its congener M. kubotai. Like many small cyprinids Microdevario spp.…

Notes

M. nanus is sometimes referred to as 'green dwarf rasbora' or 'nana rasbora' in the ornamental trade. It is immediately distinguished from congeners by presenc…

References

References

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