Description
Receive an 8 cm male Macrostoma selected directly from controlled holding tanks, ensuring each specimen delivers the exact scale contrast and fin symmetry shown in the product photograph.
Unlike pool-harvested stock that varies genetically, this M303 unit originates from a single measured drop. You receive breeder-generated documentation detailing harvest conditions and observed trait consistency, which supports transparent lineage tracking and predictable coloring when used in cross-breeding protocols. The animal arrives with intact marginal fin tissue, active gill movement, and sustained swimming behavior—tangible indicators of successful transport conditioning and reduced transit stress.
For aquarium placement, the male’s high-contrast lateral patterning remains sharply defined against light gravel or low-profile aquascapes. It establishes routine quickly in properly filtered freshwater setups once you match the included arrival parameters to your existing water chemistry. Introduce the fish using a slow drip-acclimation method to align temperature and pH gradually, preventing osmotic shock. After settling, it interacts steadily with compatible community species without aggression.
- Measurable donor batch prevents genetic dilution found in bulk wholesale shipments
- Breeder documentation accompanies each order for tracking developmental traits
- Packaged to prioritize dissolved oxygen retention and thermal buffering throughout transit
- Standard freshwater compatibility once baseline parameter equalization takes place
This configuration removes visual guesswork from your inventory selection. The structural integrity of the fins and consistent metabolic activity confirm that the specimen crossed the distribution chain in optimal condition, making it a reliable foundation for advanced breeding programs or stable display systems.
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.



