Edit Scleromystax macropterus
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Name
Scientific name
Scleromystax macropterus
Described by
Authority Regan, Year 1913, Bracketed
Family
Callichthyidae
Common names
Sailfin 'Cory'
Photograph credits
All 3 credited
Summary
The sailfin 'cory', Scleromystax macropterus, is an armoured catfish from coastal rivers of southern Brazil and the rio Paraná basin in Par…
Size and aquarium
Maximum size
90mm, standard length
Aquarium size
Minimum length 120 cm, Minimum depth 45 cm
Water
Water conditions
Temperature 14–20°C, pH 5–7
Hardness
1–8dGH
Conductivity
Not recorded
Behaviour
Temperament
Territorial
Social needs
A shoal or group
Community suitability
Community-safe
Where it lives
Countries, regions, rivers and lakes
Brazil, Paraguay, Guaraguaçu, Paraguay, Paraná, São João
Writing
Etymology
Scleromystax: from the Ancient Greek σκληρός (sklērós), meaning 'hard', and μύσταξ (mústaks), meaning 'upper lip'. macropterus: from the Ancient Greek μακρός (…
Distribution
Known from minor rivers in the coastal states of São Paolo, Paraná, and Santa Catarina, southern Brazil, plus some tributaries of the rio Paraná basin in Parag…
Habitat
Mostly collected from small, blackwater streams draining directly into the Atlantic Ocean, but is also known to inhabit roadside ditches and other such environ…
Aquarium size
Minimum base dimensions of 120 ∗ 45 cm or equivalent are recommended.
Maintenance
Ideally use a substrate of fine sand, although rounded gravel is an acceptable alternative provided it’s kept scrupulously clean. Other décor is largely down t…
Water conditions
Not written yet
Diet
Scleromystax spp. are foraging omnivores, and most will accept sinking dried foods as well as small live and frozen varieties such as chironomid larvae (bloodw…
Behaviour and compatibility
Males are somewhat territorial towards one another and should not be maintained together in smaller aquaria, otherwise peaceful.
Sexual dimorphism
Males are more intensely-patterned and possess longer pectoral and dorsal fins than females.
Reproduction
Can be bred in a similar fashion to many Corydoras species. Use a ratio of a single males per female in order to avoid rival males concentrating on each other,…
Notes
The genus Scleromystax is included in the family Callichthyidae, of which members are often referred to collectively as 'armoured' or 'mailed' catfishes group …
References
References
4 on this profile