Schaller’s mouthbrooder – Betta schalleri
A true gem among wild Bettas, Betta schalleri is a rare paternal mouthbrooding species from the peat swamp forests of Borneo. With its metallic blue-green iridescence, peaceful nature and fascinating breeding behaviour, this species is highly prized by wild Betta enthusiasts looking for something truly special.
Quick Facts
- Brand: AI Livestock
- Product type: Bettas
- Size / Capacity: 5 cm
- Suitable for: Species-appropriate, established aquariums
Is this for you?
- Your aquarium is fully cycled and stable.
- Adult size, social needs and environmental conditions are properly met.
FAQ
What makes Betta schalleri different from other Betta species?
Betta schalleri is a paternal mouthbrooder, meaning the male takes responsibility for guarding and caring for the eggs and fry, which is rare among Betta species. It also has a metallic blue-green iridescence and is known for its peaceful temperament and unique breeding behavior.
What kind of aquarium conditions does Betta schalleri require?
Betta schalleri thrives in established, stable aquariums with proper water parameters. It prefers a well-cycled tank with stable temperature and clean, soft water, mimicking its natural habitat in Borneo’s peat swamp forests.
Can Betta schalleri be kept with other fish?
Due to its peaceful nature, Betta schalleri can be kept with compatible, non-aggressive species in a well-maintained community tank. However, it is best suited for species-appropriate environments with minimal stressors.

Virginia Wallace –
Received my Betta schalleri in excellent condition. The fish is vibrant with beautiful blue-green shimmer. It’s very calm and has not shown any aggressive behavior. I’ve maintained a stable, cycled tank with proper water parameters, and it’s thriving.
Sam Ross –
This is one of the most unique Bettas I’ve ever seen. The male guards the eggs and fry, which is fascinating to watch. The fish is peaceful and active without being overly curious. Perfect for a dedicated wild Betta enthusiast.
Isaac Gill –
The fish arrived healthy and looks stunning. I’ve been keeping it in a 10-gallon tank with stable water conditions. It’s not very active, but it’s calm and seems content. Would recommend to others interested in rare wild Bettas.