Edit Hemigrammus hyanuary
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Name
Scientific name
Hemigrammus hyanuary
Described by
Not recorded
Family
Characidae
Common names
January Tetra
Photograph credits
Not recorded
Summary
The January tetra, Hemigrammus hyanuary, is a small characin from the Amazon basin in Peru and Brazil. Also known as the costello or green …
Size and aquarium
Maximum size
40mm, standard length
Aquarium size
Minimum length 60 cm, Minimum depth 38 cm, Minimum height 30 cm
Water
Water conditions
Temperature 23–27°C, pH 6–7
Hardness
2–15dGH
Conductivity
Not recorded
Behaviour
Temperament
Peaceful
Social needs
A shoal or group
Community suitability
Not recorded
Where it lives
Countries, regions, rivers and lakes
Brazil, Peru, Amazon
Writing
Etymology
Not written yet
Distribution
It hails from the Amazon basin in Peru and Brazil. The type specimen was collected from Lake Hyanuary, near the Brazilian city of Manaus.
Habitat
Slow moving rivers, tributaries and floodplain lakes.
Aquarium size
A standard 60 ∗ 38 ∗ 30 cm - ~68 litres tank is suitable for a small shoal.
Maintenance
A biotope setup would be very simple to arrange. Use a substrate of river sand and add a few driftwood branches (if you can't find driftwood of the desired sha…
Water conditions
Temperature: 23 – 27 °C pH: 6.0-7.0. It tends to lose colour when kept in alkaline conditions. Hardness: 2-15°H
Diet
Feeds chiefly on small invertebrates in nature. In the aquarium it proves unfussy. Feed a mixture of dried flakes and granules along with small live and frozen…
Behaviour and compatibility
It's a very peaceful species that won't compete well with very boisterous or much larger tankmates. Ideally, keep it with other South American species, such as…
Sexual dimorphism
Adult males are slightly smaller and noticeably slimmer than females. The male also has a small hook on the anal fin, which is lacking in females.
Reproduction
Can be bred in a similar way to other species in the genus. You'll need to set up a separate tank if you want to raise decent numbers of fry. Something around …
Notes
Also known as the costello or green neon tetra, this species is seen much less often in the hobby than it used to be. It's occasionally confused with the commo…
References
References
No references