Origin: South America, widely distributed throughout most of the Amazon regionSize: 16"(40 cm)Diet: Vegetarian diets and fresh foods Temperature: 23C - 27C (73F - 81F)Water Softness: 50 - 100 mg/lWater Acidity: pH 6.5Temperament: Peaceful, even when largerThese sizeable fish need a large aquari..
Origin: South America, in the plate river basin of Argentina. extended to Brazil and ParaguaySize: 4" (10 cm)Diet: Prepared foods and small LivefoodsTemperature: 18C - 28C (64F - 82F)Water Softness: 50 - 100 mg/lWater Acidity: pH 6.0Temperament: Can be aggressiveBuenos Aires Tetra has a black stripe..
Origin: South America, occurring in central and souther Brazil, Paraguay and ArgentinaSize: 2.1/2" (6 cm)Diet: Prepared foods and small Live foodsTemperature: 22C - 30C (72F - 86F)Water Hardness: 50 - 100 mg/lWater Acidity: pH 6.5Temperament: Placid and socialAn aquarium for Bloodfins should be shad..