Edit Pachypanchax omalonotus
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Name
Scientific name
Pachypanchax omalonotus
Described by
Authority Duméril, Year 1861, Bracketed
Family
Aplocheilidae
Common names
Powder-blue Panchax
Photograph credits
All 2 credited
Summary
The powder-blue panchax, Pachypanchax omalonotus, is a killifish from Nosy Be and the adjacent Sambirano River system in northwestern Madag…
Size and aquarium
Maximum size
90mm, standard length
Aquarium size
Minimum length 90 cm, Minimum depth 30 cm
Water
Water conditions
Temperature 20–28°C, pH 6–7.5
Hardness
2–15dGH
Conductivity
Not recorded
Behaviour
Temperament
Peaceful
Social needs
A shoal or group
Community suitability
Not for a community
Where it lives
Countries, regions, rivers and lakes
Madagascar, Ambatozavavy, Djabala, Sambirano
Writing
Etymology
Pachpanchax: from the Greek pachy, meaning 'thick', and the generic name Panchax, in reference to member species' appearing rather like a 'chubby' Panchax.
Distribution
Type locality is given as 'Nosy Be [Nossi-Bé], northern Madagascar, 12°42'S, 48°16'E', and this species is restricted to the island of Nosy Be off northwestern…
Habitat
On Nosy Be it inhabits middle and upper reaches of small freshwater streams with substrates of rocks, cobbles or sand which tend to flow under forest cover. It…
Aquarium size
An aquarium with base dimensions of 90 ∗ 30 cm should be the smallest considered.
Maintenance
Not written yet
Water conditions
Not written yet
Diet
The faeces of wild fish has been observed to contain both aquatic and terrestrial insects, suggesting it feeds both at the water surface and from the substrate…
Behaviour and compatibility
Relatively peaceful although much smaller fishes are likely to be predated on, and given its conservation status it's perhaps best maintained alone. It can be …
Sexual dimorphism
Males grow larger than females and develop more-extended fins as they mature, plus they are far more colourful than females. Nuptial males develop a narrow dar…
Reproduction
If conditions are suitable this species is not difficult to breed and will deposit its eggs among live plants, aquatic mosses, synthetic mops, etc. It's perhap…
Notes
For a number of decades this species was thought to occur throughout much of Madagsacar's western slope but populations immediately to the north and south of t…
References
References
4 on this profile