Description
Betta cf. Unimaculata sp. Liagu isn’t just a vivid addition to your aquarium—it’s a living narrative from the remote river drainages of Kalimantan Timur, Borneo. Native to the Kajan (upper River Kayan basin) and Howong (River Mahakam basin) systems, these fish arrive in the hobby with a sense of provenance that serious keepers prize as highly as the color and patterning themselves.
Origin, identity, and why provenance matters
Each Betta Unimaculata hails from distinct localities within East Kalimantan, where rugged habitats and riverine channels are accessed by small boats. This geographic isolation fosters unique colorations and patterns across populations, so Mahakam-derived specimens may display different palettes from Sandakan or other localities. The collection locality is more than a label—it’s a cue to the fish’s heritage and breeding lineage.
What makes Betta Unimaculata stand out
- Locality-driven variation: Different populations express their own color palettes and patterns, offering a diverse display within the same species. This means a single collection can yield a gallery of looks over time.
- Pure bloodlines preserved by locality labeling: Collectors and enthusiasts routinely tag fish with their collection locality to maintain traceable lineages, preserving distinct lineages for breeding and display.
- Careful lineage management: Because mixing localities can lead to unpredictable hybridization, Betta Unimaculata is ideally kept—and appreciated—by maintaining separate populations.
- Remote origin, authentic story: The fish’s origins—from river drainages accessible only by boat—adds depth to any display aquarium and breeding program.
Care considerations and display strategy
To honor the integrity of Betta Unimaculata, plan your aquarium setup around provenance. A thoughtful display and breeding strategy helps safeguard traits and makes tracking color development straightforward.
- Provenance-focused housing: Keep fish from the same locality together to preserve authentic traits, and clearly label each tank with its collection locality. This safeguards pure bloodlines and makes it easier to monitor outcomes over time.
- Labeling and documentation: A simple provenance record—locality (e.g., Mahakam, Sandakan), date of acquisition, observed color/pattern changes—creates a lasting reference for future breeding decisions.
- Display storytelling: Build exhibits around locality narratives so observers can appreciate both the beauty and the origin of each fish at a glance.
Who this is for
Betta Unimaculata is ideal for serious hobbyists, dedicated breeders, and display-focused aquarists who value provenance as part of the fish’s appeal. If you enjoy curating authentic lineages and presenting a storytelling element alongside vivid coloration, this species provides a compelling focal point for a well-organized collection.
Practical tips for buyers and keepers
- Request provenance: Look for locality tags such as Mahakam or Sandakan to confirm lineage and support pure strains.
- Organize by locality: Assign separate tanks or partitions for each origin to prevent inadvertent hybridization.
- Document provenance: Maintain a simple record of where each fish came from, its locality label, and any color or pattern changes over time.
- Build a display strategy: Create ready-made stories around each locality so observers can appreciate both beauty and origin at a glance.
With Betta Unimaculata, you’re not just adding a colorful betta to your collection—you’re cultivating a living story grounded in remote Kalimantan waterways, preserved through careful lineage management and deliberate display choices. This is a betta that invites ongoing discovery, year after year.
Shipping & delivery
LOCAL DELIVERY
1. Delivery within Singapore will be charged at a flat rate of SGD10 per order for standard delivery and SGD10 - 25 per order for express delivery, regardless of the number of items.
2. Local orders above SGD100 will be entitled to FREE standard delivery.
3. Your order will be delivered by courier for livestocks or by registered parcel for plants and accessories.
4. You will receive a notification via email or sms when the order has been dispatched.
5. We are unable to ship orders to restricted locations in Singapore including: Changi Air Freight Center, Changi Airport, Jurong Island, Jurong Port, PSA Terminal Wharves – Tanjong Pagar / Pasir Panjang / Sembawang and MINDEF COMCEN.
6. Your order will be ready for delivery within 3 to 7 working days (Wed or Saturday), orders for livestock will be packed on the same day for the dispatch.
7. In the event of Death on Arrival (DOA), please send clear photo or video of the unopened bag by email within 24 hours. Buyer can opt for a replacement of similar value and make payment for shipping again or request for a refund LESS the costs of delivery / shipping.
TRACKING YOUR ORDERS
- JANIO
- J&T EXPRESS
- LALAMOVE

- UPARCEL
International Shipment
(Shipment of wild bettas only )
Shipment Schedule
IMPORTER Contact Info
1. Orders from overseas will be dispatched directly from our holding facilities to the Exporter.
2. The shipping fee is calculated based on the number of fishes plus the cargo, quarantine costs from our holding facilities to the Exporter and all the way to the Transhipper (Importer).
3. The shipping fee DOES NOT cover the handling and postage fees from Transhipper to your address.
4. Buyers are required to PAY the transhipping fee directly to the Transhipper.
5. You will be notified of the shipment dates available via email.
6. It will take 2-3 days for the order to reach the Exporter, and another 1-2 days for it to arrive at your Transhipper.
7. The Transhipper will then ship the order to you upon receiving confirmation of your preferred shipping date and address.
8. In the event of Death on Arrival (DOA) with the exception of Betta Macrostomas, please send clear photo or video of the unopened bag by email within 24 hours. Buyer can opt for a replacement of similar value and make payment for shipping again or request for a refund LESS the costs of delivery / shipping.
Kindly email us at hello@ivenbetta.com.
Thank you for shopping with us.
Death on arrival (DOA)
In the event of death on arrival, please send a clear photo or video of the unopened bag by email to hello@ivenbetta.com within 24 hours. You can opt for a replacement of similar value (with shipping paid again) or a refund less the delivery / shipping costs.



