Chili Rasboras (Boraras brigittae), also called Mosquito Rasboras, are cute, tiny nano fish from Southeast Asia. They grow to about 1 inch and stay peaceful with shrimp and other fish. These guys are known for their vibrant color and active schooling, making them a lively addition to any tank. This species is suitable for community freshwater aquariums. They like soft water and stable water parameters with a temperature between 72-78 °F. Give them plenty of live plants, hiding spots, and driftwood to encourage their natural behavior. Providing these conditions makes their colors even more intense and helps them feel secure. Feed them high quality flakes, soft pellets, or frozen and live worms.
We sell mostly captive-bred chili rasboras, rarely wild fish, so you get healthy hardy stock. These have been very popular, with many already sold to happy aquarists. We have extensive experience keeping Chili Rasboras healthy and stress-free through our 14+ day quarantine process, ensuring they arrive in top condition. We keep young fish in our inventory and ship via overnight with UPS, note shipping delays can happen, but we do our best to ship fast. Each item is carefully packed for safe arrival, and please review our shipping and return policy before purchasing. Start with groups of 10 or more to natural schooling behavior in your tanks.
Our Chillis get a varied diet to stay healthy and show bright colors. We start with NorthFin flake foods, crushed small so the tiny fish can eat easily. We also offer pellets, live foods, and frozen treats to give them all the nutrients they need.
NorthFin Flake Foods: Finely crushed for tiny mouths
Pellets: NorthFin Nano Bits and Community 0.5 mm size
Live Daphnia: Our favorite food for energy and fiber
Frozen Foods: Baby brine shrimp, cyclops, and frozen daphnia
Micro Worm Cultures: Small protein-rich treats for growth
Chili Rasboras are peaceful fish from the wild streams of Southeast Asia. In their natural habitat, soft water flows through forests rich with live plants and hiding spots. Mosquito Rasboras live in groups and often share space with shrimp. To help them thrive, stock them in well-planted tanks with gentle flow and provide plenty of places to hide.
Tank Size: 10 gallon aquariums or larger for 10 or more fish
Filtration: Use a gentle filter to maintain water parameters without strong currents
Plants and Decor: Provide plenty of live plants, driftwood, and rocks for hiding
Stocking: Keep in groups of 10 or more Chili Rasboras
Tank Mates: Shrimp and other peaceful nano fish
Substrate: Dark, fine sand or gravel to mimic their wild habitat
Our Water Parameters
pH: 7.2 - 7.5
GH: 4 - 6
KH: 2 - 4
TDS: 100 - 150
Temperature: 70 - 74°F
At Flip Aquatics, we prioritize the well-being of our fish. We only ship fish through overnight UPS shipping to cut travel time and reduce stress. Your fish go in breather bags that have no air pocket, these special bags let water breathe without the addition of oxygen, to reduce water movement thus reducing stress on the fish. Each order is packed in an insulated box made from recycled plastic to keep temperatures steady. With our 100% Live Arrival Guarantee, we’ll refund or credit any losses, and if there’s a complete loss, we’ll reship your order at no extra cost.