Harlequin Rasbora (Trigonostigma heteromorpha)
Harlequin Rasbora is a small, peaceful species of rasbora known for its coppery-orange body and developing strong purple iridescence as it ages.
These fish thrive in groups of at least 3 to 4, with a preference for 6 or more to promote natural schooling behavior.
| Specification | Value |
|---|---|
| Juvenile Size | 0.5″ |
FAQ
What is the ideal group size for Harlequin Rasbora?
Harlequin Rasbora should be kept in groups of at least 3 to 4, preferably 6 or more to ensure natural schooling behavior and reduce stress.
How does the color of Harlequin Rasbora change over time?
Juveniles have a coppery-orange body, and as they age, they develop strong purple iridescence.
Are Harlequin Rasbora compatible with other fish?
Yes, they are peaceful and pair well with other non-aggressive tankmates when kept in appropriate group sizes.
Keith Parr –
The Harlequin Rasbora are vibrant and active in a community tank. I kept them in a group of six and they swim together beautifully. The color change from orange to purple over several months is noticeable and adds a nice visual appeal to the tank.
Melanie Bailey –
These fish are easy to care for and very peaceful. I added them to a 10-gallon tank with neon tetras and they coexist well. The iridescence becomes more visible after a few months, which is a nice surprise.
Liam Marshall –
I’ve had these rasbora for over six months and they remain healthy and active. The schooling behavior is natural and adds a dynamic element to the tank. Great for beginner aquarists looking for colorful, calm fish.