Edit Opsarius barna
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Name
Scientific name
Opsarius barna
Described by
Authority Hamilton, Year 1822, Bracketed
Family
Cyprinidae
Common names
Not recorded
Photograph credits
All 4 credited
Summary
Traded as 'striped hill trout' or 'banded hill trout', Opsarius barna is a cyprinid from the Ganges and Brahmaputra basins in northern Indi…
Size and aquarium
Maximum size
130mm, standard length
Aquarium size
Minimum length 150 cm, Minimum depth 60 cm
Water
Water conditions
Temperature 16–24°C, pH 6–8
Hardness
2–15dGH
Conductivity
Not recorded
Behaviour
Temperament
Not recorded
Social needs
A shoal or group
Community suitability
Not for a community
Where it lives
Countries, regions, rivers and lakes
Bangladesh, Bhutan, India, Myanmar, Nepal, Barak, Brahmaputra, Ganges, Mahanadi, Manipur, Yamuna
Writing
Etymology
Opsarius: apparently from an Ancient Greek word meaning 'small fish'. barna: from a vernacular Bengali name for this species.
Distribution
Known from the Ganges and Brahmaputra river basins in northern India, and according to current thinking also occurs in the Mahanadi drainage as well as various…
Habitat
Inhabits well-oxygenated, medium-to-high gradient, moderate to fast-flowing rivers and streams with substrates of gravel, cobbles, larger boulders and exposed …
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.
Reproduction
Largely unreported, although spawning can apparently be stimulated by performing large, cool water changes.
Notes
This species occasionally appears in the ornamental trade, usually as 'striped hill trout' or 'banded hill trout'. It can be distinguished from congeners by th…
References
References
11 on this profile