Edit Geophagus argyrostictus
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Name
Scientific name
Geophagus argyrostictus
Described by
Authority Kullander, Year 1991
Family
Cichlidae
Common names
Not recorded
Photograph credits
All 9 credited
Summary
Geophagus argyrostictus is a cichlid known only from the rio Xingu system in Brazil, including its major tributary the rio Iriri. It belong…
Size and aquarium
Maximum size
180mm, standard length
Aquarium size
Minimum length 150 cm, Minimum depth 45 cm
Water
Water conditions
Temperature 26–30°C, pH 6–7.5
Hardness
1–10dGH
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
Brazil, Amazon, Iriri, Xingu
Writing
Etymology
Geophagus: from the Greek geo, meaning 'earth', and phagos, meaning ' to eat'. argyrostictus: from the Greek argyros, meaning 'silver', and stiktos, meaning 's…
Distribution
Known only from the rio Xingú river system in northeastern Brazil including its major tributary the rio Iriri with type locality given as 'rocky pool near cach…
Habitat
Part of the type series was collected close to the city of Altamira in Pará state with the habitat described as 'rocky shore areas with clear water' (Kullander…
Aquarium size
An aquarium with a base measuring 150 ∗ 45 cm or more is required to house this species long-term.
Maintenance
The most essential item of déco is a soft, sandy substrate so that the fish can browse naturally (see 'Diet'). Coarser materials such as gravel or small pebble…
Water conditions
Not written yet
Diet
Geophagus spp. are benthophagous by nature, employing a method of feeding whereby mouthfuls of substrate are taken and sifted for edible items with the remaini…
Behaviour and compatibility
G. argyrostictus is markedly more aggressive than most other Geophagus spp. but multiple specimens can still be maintained together in larger aquaria. A group …
Sexual dimorphism
Juveniles are impossible to sex accurately by external means unless spawning when the ovipositor of the female is clearly visible. Fully-mature males tend to b…
Reproduction
Unlike the majority of congeners which practice mouthbrooding this species is a substrate-spawner adopting a fairly basic strategy. There doesn't appear to be …
Notes
This species is relatively rare in the hobby but sometimes available from specialist retailers or private breeders. Though described in 1991 it was first colle…
References
References
12 on this profile