Scarlet Badis (Dario dario) for Sale in Canada
The Scarlet Badis (Dario dario) is one of the most beautiful and sought-after nano fish in the freshwater aquarium hobby. Despite its tiny size, this remarkable species can display spectacular red, orange, and blue coloration, especially mature males in excellent condition.
Native to South Asia, Scarlet Badis are peaceful, fascinating fish that are ideal for carefully maintained nano aquariums and planted setups. Their compact size and striking colours make them a favourite among aquarists who enjoy observing natural behaviour and creating detailed planted aquascapes.
Scarlet Badis are particularly interesting because they are small predators. Although peaceful toward appropriately sized tank mates, they naturally hunt tiny invertebrates and often prefer small live or frozen foods. Their feeding requirements should be carefully considered before purchase.
Monster Aquarium Canada offers Scarlet Badis (Dario dario) for aquarium hobbyists across Canada.
Why Choose Scarlet Badis?
A Tiny Fish with Incredible Colour
Scarlet Badis are admired for their:
Unique Features
Premium Characteristics
- Brilliant red and orange coloration
- Iridescent blue markings
- Extremely compact adult size
- Fascinating hunting behaviour
- Excellent nano aquarium fish
- Beautiful planted aquarium species
- Peaceful with appropriately sized companions
- Highly sought after by nano fish collectors
Mature males can develop especially intense colours and may become a spectacular focal point in a small, carefully designed aquarium.
How Large Does a Scarlet Badis Get?
Scarlet Badis remain very small.
Adults generally reach approximately 0.6–0.8 inches (1.5–2 cm).
Because of their tiny size, they are not suitable for aquariums containing large or aggressive fish.
Aquarium Size
A well-established 10-gallon aquarium or larger is recommended for Scarlet Badis, particularly when keeping multiple individuals or combining them with other fish.
A larger aquarium provides more stable water conditions and additional territory for the fish.
Recommended Aquarium Setup
- Mature biological filtration
- Gentle water movement
- Dense live plants
- Java Moss
- Fine-leaved vegetation
- Floating plants
- Driftwood
- Leaf litter
- Small caves and hiding places
- Dark substrate
- Low to moderate lighting
Scarlet Badis often feel more secure in aquariums with abundant cover and broken lines of sight.
Water Parameters
- Scientific Name: Dario dario
- Common Name: Scarlet Badis
- Adult Size: Approximately 0.6–0.8 inches (1.5–2 cm)
- Temperature: 20–26°C (68–79°F)
- pH: Approximately 6.0–7.5
- Water Hardness: Soft to moderately soft
- Care Level: Moderate
- Temperament: Generally peaceful, but males can be territorial
- Diet: Micropredator/carnivorous
- Swimming Level: Middle and lower levels
- Lifespan: Approximately 3–5 years with proper care
Stable water quality is especially important in small aquariums.
Feeding Your Scarlet Badis
A Tiny Micropredator
One of the most important considerations when keeping Scarlet Badis is their diet. Many individuals strongly prefer small live or frozen foods and may initially refuse dry prepared foods.
Recommended Foods
- Baby brine shrimp
- Newly hatched brine shrimp
- Daphnia
- Moina
- Microworms
- Grindal worms
- Small bloodworms, when appropriately sized
- Cyclops
- Other tiny frozen foods
Some individuals may eventually accept finely crushed pellets or high-quality micro foods, but this should not be assumed.
A varied diet of appropriately sized foods helps support healthy condition and vibrant coloration.
Behaviour and Temperament
Scarlet Badis are generally peaceful, but mature males can defend small territories against other males.
Keeping Multiple Scarlet Badis
In a sufficiently planted aquarium:
- Provide dense cover
- Create multiple territories
- Break lines of sight
- Avoid overcrowding
- Monitor male aggression
A carefully planned setup can reduce territorial disputes.
Compatible Tank Mates
Scarlet Badis should only be kept with peaceful animals that will not outcompete them for food.
Potential Tank Mates
- Other Scarlet Badis, with careful sex ratios
- Tiny peaceful Rasboras
- Small peaceful Corydoras
- Small snails
- Peaceful dwarf shrimp, with caution around very small shrimplets
Avoid
- Large fish
- Aggressive fish
- Fast, highly competitive feeders
- Fish large enough to eat Scarlet Badis
- Large predatory species
Because Scarlet Badis can be shy feeders, fast tank mates may prevent them from receiving enough food.
Scarlet Badis and Shrimp
Adult Scarlet Badis are generally too small to threaten larger adult shrimp, but they may hunt very small shrimplets and other tiny invertebrates.
For this reason, compatibility with breeding shrimp colonies cannot be guaranteed.
A densely planted aquarium with moss and hiding places can improve shrimplet survival.
Male and Female Differences
Males
Male Scarlet Badis are generally more colourful and may display:
- Brighter red and orange coloration
- Stronger blue markings
- More defined vertical bands
- More intense colours during displays
Females
Females are generally:
- Less colourful
- More brown or grey
- Rounder-bodied
- More subtly patterned
Sexing young fish can be difficult.
Supporting Bright Scarlet Colouration
Care Tips
- Feed a varied diet of small, nutritious foods
- Maintain excellent water quality
- Avoid aggressive tank mates
- Provide dense plants and cover
- Reduce unnecessary stress
- Maintain stable water conditions
- Avoid overcrowding
Healthy mature males can display spectacular colours when kept under suitable conditions.
Why Buy Scarlet Badis from Monster Aquarium Canada?
Beautiful Nano Fish for Canadian Aquarists
Monster Aquarium Canada offers unique freshwater fish for hobbyists interested in nano fish, planted aquariums, community fish, and unusual species.
Carefully Selected Aquarium Fish
Fish are selected for qualities such as:
- Healthy body condition
- Active behaviour
- Strong feeding response
- Good overall condition
- Attractive natural coloration
Canadian Aquarium Fish Supplier
Monster Aquarium Canada specializes in freshwater fish, rare tropical fish, monster fish, aquarium plants, shrimp, crayfish, snails, fish foods, medications, and aquarium supplies for Canadian aquarium hobbyists.
Frequently Asked Questions
1. How large does a Scarlet Badis grow?
Scarlet Badis generally reach approximately 0.6–0.8 inches (1.5–2 cm) as adults.
2. Are Scarlet Badis suitable for beginners?
They can be challenging because many prefer small live or frozen foods and may be shy feeders. They are best suited to aquarists prepared to provide an appropriate diet.
3. What does a Scarlet Badis eat?
They are micropredators and often eat baby brine shrimp, Daphnia, Moina, microworms, Grindal worms, Cyclops, and other appropriately sized live or frozen foods.
4. Can Scarlet Badis live with shrimp?
They may coexist with adult shrimp, but tiny shrimplets can potentially be eaten.
5. Can I keep multiple male Scarlet Badis together?
Multiple males may become territorial. A larger, densely planted aquarium with abundant hiding places and broken lines of sight is important if keeping more than one male.




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