Silver Arowana

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Origin: They are native to the Amazon River Basin in South America. They are found in planted ecosystems with very clean, well-maintained, high-oxygen water of moderate to high wat er flow. Tank Size: 500 Gallon+ Swim Region: All over Temperament: Peaceful; Community fish Size: 3 feet (Males/Females) Temperature: 74-83 F Water PH: 6.0-7.0 Water Hardness: 1-10 dGH / 17-178 ppm Show more