Boesemani Rainbowfish – Medium
A beautiful lake dwelling larger (4 inches +) rainbow from western Irian Jaya. Boeseman’s Rainbowfish is a very easy fish to keep and makes a striking display if kept in a group of about a dozen in a well planted tank. Males exhibit a striking color change with the front half of the body being blue or silver while the anterior half of the body is a bright orange/red. Females are slightly smaller and do not exhibit the color change from front to rear like the males.
| Scientific Name | Melanotaenia boesemani |
|---|---|
| Family | Melanotaeniidae |
| Origin | Vogelkop Peninsula, Irian Jaya |
| Compatibility with Planted Aquariums | Compatible |
| Care and Handling | Contrary to some sources, this species is generally hardy and adapts well to community tanks with proper water conditions. |
FAQ
What is the size of a Boesemani Rainbowfish when mature?
Mature Boesemani Rainbowfish typically reach a length of 4 inches or more.
Do males and females show different color patterns?
Yes, males exhibit a striking color change with the front half being blue or silver and the rear half bright orange or red. Females are smaller and do not show this color shift.
Is this fish suitable for a planted aquarium?
Yes, Boesemani Rainbowfish are compatible with planted aquariums and thrive in well-planted environments.

Anna Lee –
I kept a group of five Boesemani Rainbowfish in a 20-gallon tank with live plants. The males changed color beautifully, especially during the day. They’re peaceful and don’t bother other fish. Easy to care for with stable water conditions.
Lily Lewis –
The fish are active and colorful. I noticed the males show a clear blue-to-orange split. They do best in groups and need a well-planted tank to feel secure.
Andrea Mackenzie –
Great addition to my community tank. The fish are hardy and adapt quickly. I’ve had them for three months and they’re still vibrant and active.