Harlequin Rasbora (Trigonostigma heteromorpha)
The Harlequin Rasbora is a small, vibrant fish known for its striking copper-red coloration and a distinctive black triangular patch on its body, resembling a harlequin pattern. Peaceful, hardy, and easy to care for, this species is perfect for beginner and experienced aquarists alike. They are ideal for community tanks and are best kept in schools, as they are social fish that display their best colors when in a group. With their active swimming behavior and beautiful coloration, they make a captivating addition to any freshwater aquarium.
Need to Know:
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Recommended For: Peaceful community aquariums
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Minimum Tank Size: 40 litres
| Specification | Value |
|---|---|
| Size | 2.5 cm (1 inch) |
| Temperature | 22-26°C |
| Water pH | 6.0-7.0 |
| Hardness | 2-10 dGH |
| Compatibility | Peaceful community fish |
FAQ
What is the ideal tank size for Harlequin Rasbora?
The minimum recommended tank size is 40 litres to ensure adequate space for schooling and proper water stability.
Are Harlequin Rasbora suitable for beginner aquarists?
Yes, they are peaceful, hardy, and easy to care for, making them ideal for both beginner and experienced aquarists.
How should I care for Harlequin Rasbora in my aquarium?
Keep them in a group of at least six, maintain water temperature between 22-26°C, and provide a stable pH of 6.0-7.0 with soft to moderately hard water.
Alan Newman –
I bought a school of Harlequin Rasbora for my 40-litre tank. They are very active and their colors shine best when kept in groups. Easy to maintain and don’t stress other fish. A great choice for a colorful, peaceful community tank.
Colin Mackay –
The fish arrived healthy and stayed vibrant after a week. I kept them in a group of six and they swim together nicely. They don’t need much maintenance and adapt well to my tank conditions.
Donna Mathis –
These little fish add a lot of visual appeal. I noticed their copper-red color and black markings stand out in the tank. They are very social and enjoy swimming in the open areas.