Harlequin Rasbora Please be aware that the image is for illustration purposes only. We are unable to guarantee the size, colour, sex or age of the fishes you are purchasing. If you have any questions regarding livestock please contact us. To minimise stress we are unable to hand pick specific fish. Lifespan is an estimate based on optimum conditions. The Harlequin rasbora is a small, popular community aquarium fish that likes to be kept in groups. In a planted tropical aquarium they really stand out. Features Approx. size: 2-3cm Maximum size: 4.5cm Origin: Asia Ideal number kept together: 5+ Water conditions pH: 5.0–7.5 Hardness: 18–215 ppm Temperature: 22–28 °C Ease of care Easy. The Harlequin should be introduced into a mature aquarium with hiding places. They are quite hardy so good for new hobbyists. Diet Flake food is recommended mainly as you can crush this up making it small enough however they can also have small frozen and live foods. Compatibility Community of similar size. They are least shy when shoaling in a group. Breeding/ Sex Intermediate. A dedicated tank with dim lighting will be required along with specific water conditions. Life Span They can live to anything from 4-7 years in perfect conditions. To view the Compatibility Advisory Chart please select the Additional Tab above.