Immerse yourself in the captivating world of the Boesemani Rainbowfish, a species found in the mountain lakes and tributaries of West Papua, Indonesia. Preferring shallower areas rich in vegetation, these fish are best suited to densely planted tanks with ample open swimming space. Their favorite pastime includes traversing the length of the aquarium, so consider a tank at least 4 feet (1.2 m) long once they reach full size.
Typically inhabiting the middle to top half of the water column, a secure lid is essential to prevent any escape attempts. Boesemani Rainbowfish are known for their hardiness, tolerating a wide range of water parameters. However, maintaining a temperature between 75–82°F (24–28°C) and a pH of 6–8 is optimal. They thrive in harder water with 8–20 dGH, which can be achieved by supplementing with mineral additives if necessary.
As schooling fish, it’s recommended to keep six or more of the same species together. Aim for a mix of slightly more females than males to encourage vibrant displays from the males. Compatible tank mates include other fast-swimming species like rainbowfish, loaches, barbs, and gouramis, but caution is advised with smaller tank mates as Boesemani Rainbowfish may view them as potential snacks.
Feeding these omnivores is a delight as they eagerly accept a variety of foods including flakes, frozen, and live options. Meatier foods are preferred, but a balanced diet ensures optimal health and coloration. Breeding Boesemani Rainbowfish is relatively straightforward, but raising the tiny fry requires careful attention to water conditions and feeding schedules.
Delve into the rewarding experience of breeding these captivating fish and witness the transformation from tiny fry to beautiful adults. Boesemani Rainbowfish may have a longer grow-out time compared to other species, but their vibrant colors and playful behavior make them a joy to care for and observe in any aquarium setting.
What We Like About This Fish:
- Vibrant colors and high activity level
- Hardy and adaptable to various water conditions
- Peaceful disposition with compatible tank mates
- Ideal for planted tanks with ample swimming space
Recommended Tank Parameters:
- Temperature: 75–82°F (24–28°C)
- pH: 6–8
- KH: 8–20 dGH
- Minimum Tank Size: At least 4 feet (1.2 m) in length
Care Information:
- Diet: Omnivorous. Provide a variety of dry, frozen, and live foods. Feed appropriate-sized foods to accommodate their smaller mouths.
- Social Behavior: Schooling. Keep them in groups of six or more for optimal well-being.
- Origin: West Papua, Indonesia
- Average Adult Size: Variable, depending on maturity
- Average Purchase Size: Variable, depending on maturity














Michael T. –
I can’t get enough of my Boesemani Rainbowfish! Their vibrant colors and playful behavior bring so much life to my aquarium. Watching them explore the tank is mesmerizing, and their compatibility with other peaceful fish makes them a perfect addition to any community setup. Highly recommend
Emily R. –
“I’m in love with my Boesemani Rainbowfish! From their vibrant hues to their playful antics, they bring so much joy to my aquarium. Watching them school together is a sight to behold, and their compatibility with other fish is a huge bonus. Couldn’t be happier with my purchase