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About Dwarf Chilli Rasbora

Dwarf Chilli Rasboras, also known as Chilli Rasboras, are tiny and beautifully coloured schooling fish prized for their vivid red-orange bodies and dark horizontal markings. Their miniature size makes them one of the best choices for nano aquariums and planted freshwater setups.

Despite their small size, they become particularly impressive when kept in a proper group. In a mature planted aquarium, a school of Chilli Rasboras will spend much of its time moving through the midwater and amongst plants, creating a natural and lively display.

They thrive in heavily planted aquariums with areas of cover, floating plants, moss and gentle water movement. They are naturally suited to soft, slightly acidic environments and generally appreciate stable, mature aquarium conditions.

Their tiny mouths mean appropriately sized food is important. High-quality micro pellets, crushed flakes and small frozen or live foods such as baby brine shrimp and daphnia are excellent choices.

Peaceful, colourful and incredibly small, Dwarf Chilli Rasboras are an excellent choice for nano aquariums and planted community tanks with similarly sized tank mates.

Quick Care Guide

Scientific Name: Boraras brigittae
Common Name: Dwarf Chilli Rasbora / Chilli Rasbora
Type: Freshwater Schooling Fish
Adult Size: Approximately 2 cm
Temperament: Peaceful
Care Level: Easy to Intermediate
Minimum Group: 8+
Temperature: 22–28°C
pH: 5.0–7.0
Water Hardness: Soft
Diet: Omnivore / Micro-predator
Tank Level: Midwater
Suitable For: Nano aquariums, planted tanks, shrimp tanks and peaceful community aquariums

Frequently Asked Questions

How many Dwarf Chilli Rasboras should I keep?

They are schooling fish and should ideally be kept in a group of 8 or more. Larger groups allow them to display more natural behaviour and usually result in a more impressive school.

Are Chilli Rasboras suitable for nano tanks?

Yes. Their tiny adult size makes them one of the best schooling fish for appropriately sized nano aquariums.

What do Dwarf Chilli Rasboras eat?

Their small mouths require appropriately sized foods. Feed quality micro pellets or crushed flakes, supplemented with baby brine shrimp, daphnia and other small frozen or live foods.

Are Dwarf Chilli Rasboras peaceful?

Yes. They are extremely peaceful and are best kept with other small, gentle species.

Can Chilli Rasboras live with shrimp?

Yes. They are generally compatible with adult freshwater shrimp. However, they may eat newly hatched shrimplets if they encounter them.

Common Mistakes

Keeping too few fish
Chilli Rasboras are schooling fish and should be kept in a proper group.

Keeping them with large fish
Their tiny size makes them easy prey for larger community fish.

Using strong water flow
They are small fish and generally prefer gentle circulation.

Feeding food that is too large
Their mouths are extremely small. Use micro-sized foods or finely crushed food.

Adding them to an immature aquarium
A mature, stable aquarium is preferable, particularly because they can be sensitive to sudden changes.