Bosemani Rainbowfish Alternative Name(s): Scientific Name(s): Melanotaenia boesemani Category: Tropical Difficulty: Maximum Size: 11cms Minimum Tank Volume: 200 litres Minimum Tank Size: 48" x 12" x 12" Water Temperature Range: 27-30°C Water pH Range: 7.0-8.0 Water Hardness Range: 10-20 dGH