Description
Betta sp. Cerulean is a striking freshwater betta that instantly elevates any home aquarium with a vivid cerulean blue that catches the eye from across the room. This isn’t just a pretty fish—it's a responsive, personality-filled companion that rewards attentive care and a thoughtfully arranged tank. If you’re seeking a focal point that combines color, behavior, and easy maintenance, the Cerulean is a standout choice.
What makes Betta sp. Cerulean truly unique
- Striking cerulean coloration that shifts with lighting, giving the fish a dynamic, living glow as you observe small shifts in shade from day to night.
- Compact, impactful presence ideal for 5-gallon (or larger) setups, desks, apartments, and classrooms where space is at a premium but beauty is non-negotiable.
- Elegant temperament with a curious, interactive personality—watch it explore plants, driftwood, and gentle substrates as it establishes territory and daily routines.
Care essentials you can count on
- Tank size: A minimum of 5 gallons is recommended to provide ample swimming space and stable water conditions.
- Water and temperature: Keep water clean and softly circulated, with a stable temperature between 76–82°F (24–28°C). Aim for a gentle current to mimic natural habitats without stressing the fish.
- Filtration: Choose a low-to-moderate flow filter or a sponge filter to protect delicate fins while maintaining water quality.
- Lighting and plants: Moderate lighting with a mix of live or well-chosen artificial plants creates cover for hiding spots and reduces stress, helping the Cerulean display richer color.
- Diet: Offer high-protein betta pellets as a staple, complemented by occasional treats like frozen or live brine shrimp, daphnia, or bloodworms. Feed small portions 2–3 times daily, removing uneaten food to keep water pristine.
Ideal setup and use cases
- Desks, apartments, and classrooms: A captivating centerpiece that’s manageable in small spaces yet rewards daily observation.
- Ethos of a calm, focused tank: Pair with slow-moving tank mates or keep as a solitary centerpiece to maintain the Cerulean’s color and personality without stress.
- Plant-rich or décor-driven environments: Dense plantings, driftwood, and gentle substrate invite exploration and provide natural barriers that reduce territorial behavior.
Who this is ideal for
- Color enthusiasts seeking a bold, living centerpiece in a compact aquarium.
- New and experienced hobbyists who want clear care guidelines without complexity.
- Home offices, dorm rooms, or classrooms needing a low-maintenance, visually striking animal ambassador that’s easy to appreciate daily.
Practical tips for best results
- Avoid keeping multiple aggressive males together; if you want more color variety in one space, consider a single Cerulean with compatible, peaceful tank mates or observe solo setups for optimal color and vigor.
- Stabilize water parameters with regular partial water changes and a trusted water conditioner to protect delicate fins and skin.
- Introduce new decorations gradually and monitor the fish’s response to new textures and lighting to keep stress low and color high.
- Consistency matters: routine feeding, lighting, and cleaning create the healthiest environment for the Cerulean to show its true-blue brilliance.
With Betta sp. Cerulean, you’re inviting a living splash of color and personality into your aquarium. Its cerulean hue, resilient temperament, and adaptable care make it a compelling choice for collectors and casual keepers alike—delivering color, movement, and a sense of wonder every time you glance at the tank.
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.



