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Buenos Aires tetra

Picture of Buenos Aires Tetra

Photo taken at Wharf Aquatics
© Sean Evans

Common name:Buenos Aires tetra
Scientific name:Hemigrammus anisitsi
Synonyms:Hemigrammus caudovittatus (junior synonym)
Size:3" (7.5cm), but larger sometimes reported.
Origin:South America: Argentina, Brazil and Paraguay.
Tank setup:At least 3ft/92cm, with plenty of open swimming space. If live plants are used, they should be tougher varieties, as this species will often eat softer-leaved plants.
Compatibility:Normally peaceful, but may show some aggression towards smaller or more timid species. This is less likely to occur when kept in a shoal of their own kind.
Temperature:18-28oC (64-82oF)
Water chemistry:Not critical, thrives in a range of conditions as long as extremes are avoided.
Feeding:Omnivorous: dry foods such as flake and granular foods supplemented with live/frozen foods, and a vegetable component.
Sexing:Males slimmer, often with more vivid colours.
Breeding:A fairly easy fish to breed. Use a temperature in the middle to upper end of the range quoted above. Spawning takes place over plants and the eggs hatch in about a day.
Comments: This is a hardy fish which will tolerate a range of conditions and is hence often recommended for beginners. A tank partially planted with hardy plants is recommended, as they may nibble more delicate plants. This is an active shoaling species which grows a little larger than many tetras, and therefore requires a little more swimming space. A colour variant exists in which the caudal fin is lemon-yellow.




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