Description
Blue Line Rasbora (Rasbora sarawakensis) – Sleek Elegance with a Neon Touch
The Blue Line Rasbora (Rasbora sarawakensis) is a graceful and subtly striking freshwater fish native to the slow-moving blackwater streams of Borneo. Known for its slender, torpedo-shaped body and vivid horizontal blue line that glows under aquarium lighting, this species adds elegance and tranquility to any well-planted community aquarium. Its peaceful disposition, tight schooling behavior, and shimmering appearance make it an excellent choice for aquascaped tanks and natural setups, especially when kept in groups.
Key Features:
-
Latin Name: Rasbora sarawakensis
-
Common Name: Blue Line Rasbora
-
Coloration: Pale golden body with a vivid electric blue stripe running from head to tail
-
Temperament: Peaceful, social, and shy if kept alone
-
Size: Up to 1.5–2 inches
-
Tank Requirements: Minimum 20 gallons, ideally with plants and subdued lighting
-
Diet: Omnivorous—fine flakes, micro pellets, and small live/frozen foods like daphnia or mosquito larvae
-
Compatibility: Perfect for peaceful community aquariums; keep in groups of 8 or more for natural behavior
Tips:
-
Use a dark substrate and gentle lighting to bring out their iridescent blue stripe.
-
Maintain high water quality and soft, slightly acidic conditions for optimal health.
-
Add floating plants to provide comfort and mimic natural habitat.
-
A tight school helps reduce stress and brings out their most vibrant behavior.
Why Choose This Fish?
The Blue Line Rasbora is a perfect choice for aquarists seeking a peaceful, visually refined fish to complement a planted or blackwater aquarium. Its glimmering blue stripe and serene movement offer a beautiful, calming presence—especially when displayed in synchronized schools.
.
Click & Collect
Livestock will only be bagged once you arrive, or if you contact us in advance to request it ready beforehand.
Local Delivery
Order anything from our in-store range and have it delivered right to you.
-
Minimum spend: £50
-
Delivery up to 10 miles: £10
-
Delivery up to 25 miles: £20
Distances are measured “as the crow flies”, not by road.
Once your order is placed, we’ll be in touch to arrange a suitable delivery date and time.
Please note, delivery may take a little longer as we often group orders together to build an efficient delivery run.
Important: If you’re ordering a large aquarium, please ensure someone is available to help unload the van on arrival.
Dry Goods Delivery
-
DPD Next Day: 1 working day (order before 12 noon)
-
DX Next Day (Heavy Items & Small Aquariums): 1 working day (order before 12 noon)
-
Express Pallet: 1–3 working days
If you'd like to add more items to an existing order that hasn't yet been dispatched, please place a Click & Collect order and leave a note asking us to combine the orders.
Please note: We currently only dispatch parcels Wednesday to Friday.
Pre-Order
Want the full details? Check out our Terms & Conditions.
Livestock Delivery
Thursday Delivery – £24
-
Dispatched Wednesday afternoon
-
Delivered Thursday before 1pm
-
Order by Wednesday 12 noon
-
Minimum spend: £50
Friday Delivery – £24
-
Dispatched Thursday afternoon
-
Delivered Friday before 1pm
-
Order by Thursday 12 noon
-
Minimum spend: £50
Saturday Delivery – £29
-
Dispatched Friday afternoon
-
Delivered Saturday before 1pm
-
Order by Friday 12 noon
-
Minimum spend: £50
📦 Want to Add to an Existing Order?
No problem! Just place a Click & Collect order and leave a note asking us to link it with your original one (as long as it hasn’t been dispatched yet).
🛒 Dry Goods Now Included!
You can now include dry goods in your livestock delivery – perfect for topping up supplies in one go.
❄️ Please note: We can’t send frozen food with livestock – please order frozen items separately.
⚠️ Delivery Exclusions
Unfortunately, we’re unable to deliver livestock to the following postcodes:
Scotland & Isles:
AB30–AB56, DD8–DD10, DG3–DG9, DG12–DG14, FK17–FK21, KA18–KA19, KA26–KA30, PA20–PA38, PA80, PH3–PH40
Cornwall Isles: TR21–TR25
All of the following postcodes are excluded:
BT, HS, IM, IV, JE, KW
Plus Channel Islands and Shetland Islands
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.