Vietnamese Cardinal Minnow (Tanichthys micagemmae) for Sale in Canada
The Vietnamese Cardinal Minnow (Tanichthys micagemmae) is a beautiful and uncommon freshwater fish prized for its compact size, peaceful temperament, and striking natural coloration. This attractive Asian minnow is admired for its shimmering body, colourful red markings, and contrasting blue tones that can become especially impressive when the fish are kept in excellent aquarium conditions.
A proper school of Vietnamese Cardinal Minnows creates an active and elegant display as the fish swim together through a planted aquarium. Their small size makes them suitable for carefully planned community and species-focused aquariums, while their peaceful nature allows them to coexist with other gentle fish that enjoy similar water conditions.
Like other schooling fish, the Vietnamese Cardinal Minnow feels more secure when kept in a group. A larger group can encourage more natural behaviour and create a more impressive visual display.
Monster Aquarium Canada offers Vietnamese Cardinal Minnow (Tanichthys micagemmae) for aquarium hobbyists across Canada.
Why Choose the Vietnamese Cardinal Minnow?
A Rare and Colourful Asian Schooling Fish
Vietnamese Cardinal Minnows are admired for their:
Unique Features
Premium Characteristics
- Attractive red and blue coloration
- Shimmering, colourful body
- Peaceful temperament
- Active schooling behaviour
- Compact adult size
- Excellent planted aquarium fish
- Suitable for peaceful community aquariums
- Rare and unusual aquarium species
A healthy school can bring beautiful colour and constant activity to a well-designed freshwater aquarium.
Aquarium Size
A 15-gallon aquarium or larger is recommended for a proper school of Vietnamese Cardinal Minnows. A larger aquarium provides additional swimming space and makes maintaining stable water conditions easier.
Recommended Aquarium Setup
- Mature biological filtration
- Gentle to moderate water movement
- Good oxygenation
- Stable temperatures
- Live aquatic plants
- Open swimming areas
- Fine-leaved plants
- Driftwood
- Smooth natural décor
- Dark or natural substrate
- Some shaded cover
A planted aquarium with open swimming space and dense cover around the edges provides an excellent environment for this species.
Water Parameters
- Scientific Name: Tanichthys micagemmae
- Common Name: Vietnamese Cardinal Minnow
- Adult Size: Approximately 1–1.5 inches (2.5–3.5 cm)
- Temperature: 18–25°C (64–77°F)
- pH: Approximately 6.0–7.5
- GH: Approximately 4–15 dGH
- Care Level: Easy to Moderate
- Temperament: Peaceful
- Diet: Omnivore
- Swimming Level: Middle and upper levels
- Lifespan: Approximately 3–5 years with proper care
Stable, clean water is important. Avoid sudden changes in water temperature or chemistry.
Feeding Your Vietnamese Cardinal Minnow
Vietnamese Cardinal Minnows are omnivorous and generally accept a variety of appropriately sized foods.
Recommended Foods
- High-quality micro pellets
- Fine tropical flakes
- Small granules
- Baby brine shrimp
- Daphnia
- Cyclops
- Microworms
- Other small live or frozen foods
A varied diet helps support healthy growth, activity, and strong natural coloration.
Feed small portions once or twice daily and avoid overfeeding.
Ideal Planted Aquarium
Vietnamese Cardinal Minnows are excellent fish for peaceful planted aquariums.
Recommended Plants
- Java Moss
- Christmas Moss
- Java Fern
- Anubias
- Cryptocoryne
- Water Sprite
- Fine-leaved stem plants
- Vallisneria
- Floating plants
Dense vegetation provides security, while open areas should remain available for schooling and active swimming.
Their colourful markings can stand out beautifully against dark substrate and lush green plants.
Compatible Tank Mates
Vietnamese Cardinal Minnows are generally peaceful and should be kept with similarly calm, appropriately sized fish.
Suitable Tank Mates
- Other Vietnamese Cardinal Minnows
- White Cloud Mountain Minnows
- Small Rasboras
- Celestial Pearl Danios
- Small peaceful Danios
- Pygmy Corydoras
- Otocinclus
- Small peaceful Loaches
- Peaceful freshwater shrimp
Avoid:
- Large predatory fish
- Highly aggressive species
- Large cichlids
- Fish that require significantly warmer water
- Fish large enough to eat them
Always select tank mates according to adult size, temperament, and long-term water requirements.
Schooling Behaviour
Vietnamese Cardinal Minnows are social fish and should be kept in groups.
Recommended Group Size
Keep 8 or more, with 10 or more providing a more natural and visually impressive schooling display when aquarium space allows.
A proper school can encourage:
- Greater confidence
- Reduced stress
- Natural social behaviour
- More active swimming
- Better overall aquarium activity
Larger groups can also make their colourful red and blue markings more impressive as the fish move together.
Male and Female Differences
Sexual differences can become more noticeable as the fish mature.
Males
- Often display stronger red and blue coloration
- May appear slimmer
- Can show more intense colours during courtship
Females
- Usually have a fuller body
- May appear rounder, particularly when carrying eggs
- Can display slightly softer coloration
Sexing young individuals can be more difficult.
Supporting Bright Colouration
The beautiful appearance of Vietnamese Cardinal Minnows depends on genetics, health, nutrition, and aquarium conditions.
Colour-Care Tips
- Maintain excellent water quality
- Feed a varied diet
- Keep an appropriate school
- Avoid overcrowding
- Provide plants and natural cover
- Maintain suitable temperatures
- Minimize unnecessary stress
Healthy fish maintained in good conditions can display especially attractive red and blue tones.
Breeding Vietnamese Cardinal Minnows
Tanichthys micagemmae may breed in a well-maintained aquarium under suitable conditions.
Breeding Tips
- Condition healthy adults with nutritious foods
- Maintain excellent water quality
- Provide dense plants or spawning material
- Use mosses and fine-leaved vegetation
- Avoid keeping egg-eating tank mates in the breeding aquarium
Adults may scatter eggs among plants and spawning material.
Raising Fry
Newly hatched fry require very small foods initially. As they grow, they can gradually transition to larger foods such as baby brine shrimp and finely powdered prepared foods.
Why Buy Vietnamese Cardinal Minnow from Monster Aquarium Canada?
Rare and Beautiful Freshwater Fish
Monster Aquarium Canada offers unusual and exciting freshwater fish for aquarists looking to build unique aquarium collections.
Carefully Selected Aquarium Fish
Fish are selected for qualities such as:
- Healthy body condition
- Active swimming
- Strong feeding response
- Attractive natural coloration
- Premium aquarium quality
Canadian Aquarium Fish Supplier
Monster Aquarium Canada specializes in freshwater fish, rare tropical fish, monster fish, freshwater shrimp, crayfish, aquatic snails, aquarium plants, fish foods, medications, and aquarium supplies for Canadian aquarium hobbyists.
Frequently Asked Questions
1. How large does a Vietnamese Cardinal Minnow grow?
Vietnamese Cardinal Minnows generally reach approximately 1–1.5 inches (2.5–3.5 cm) as adults.
2. Are Vietnamese Cardinal Minnows peaceful?
Yes. They are generally peaceful schooling fish and can work well in appropriately stocked community aquariums.
3. How many Vietnamese Cardinal Minnows should I keep?
A group of 8 or more is recommended, while 10 or more can encourage more natural schooling behaviour.
4. Are Vietnamese Cardinal Minnows good for planted aquariums?
Yes. They are excellent for planted aquariums with dense vegetation, open swimming areas, and stable water conditions.
5. Does Monster Aquarium Canada ship Vietnamese Cardinal Minnows across Canada?
Monster Aquarium Canada offers Vietnamese Cardinal Minnows to aquarium hobbyists across Canada. Shipping availability and applicable live fish policies should be confirmed at the time of ordering.




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