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Edit Opsarius ornatus

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Name

Scientific name

Opsarius ornatus

Described by

Authority Sauvage, Year 1883, Bracketed

Family

Cyprinidae

Common names

Not recorded

Photograph credits

All 2 credited

Summary

Opsarius ornatus is a cyprinid from Thailand, possibly restricted to a few small systems in Chumphon Province, mostly in the Tha Sae basin.…

Size and aquarium

Maximum size

110mm, standard length

Aquarium size

Minimum length 150 cm, Minimum depth 60 cm

Water

Water conditions

Temperature 18–26°C, pH 6–8

Hardness

2–12dGH

Conductivity

Not recorded

Behaviour

Temperament

Not recorded

Temperament
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Social needs

A shoal or group

Community suitability

Not for a community

Where it lives

Countries, regions, rivers and lakes

Thailand, Tha Sae

Writing

Etymology

Opsarius: apparently from an Ancient Greek word meaning 'small fish'. ornatus: from the Latin ornatus, meaning 'decorated'.

Distribution

Unclear. Possibly restricted to a handful of small systems in Chumphon Province on the eastern side of the Isthmus of Kra, southern Thailand, with the majority…

Habitat

Collected exclusively from habitats containing flowing water, from sluggish streams to fast-moving rivers with substrates composed of sand, gravel or mud. Symp…

Aquarium size

Requires a large aquarium with minimum surface area of 150 ∗ 60 cm or equivalent.

Maintenance

The aquarium should ideally be designed to resemble a flowing stream or river with a substrate of variably-sized rocks, sand, fine gravel, and some larger wate…

Water conditions

Not written yet

Diet

Opsarius spp. are predominantly surface-feeders preying on aquatic and terrestrial insects in nature, with some small fishes and benthic invertebrates probably…

Behaviour and compatibility

Unsuitable for the general community due to its environmental requirements, and likely to outcompete or intimidate slow-moving and less bold species at meal ti…

Sexual dimorphism

Adult females are less-brightly-coloured, tend to grow a little larger and are thicker-bodied than males, especially when gravid. Sexually mature males appear …

Reproduction

Unreported.

Notes

This species may have been exported for aquaria though probably not under the correct name. Following its redescription by Tejavej (2012) it can be distinguish…

References

References

8 on this profile