Pristella Tetra (Pristella maxillaris) for Sale in Canada
The Pristella Tetra (Pristella maxillaris), commonly known as the X-Ray Tetra, is a beautiful and adaptable South American freshwater fish admired for its semi-transparent body and striking yellow, black, and white fin markings. Its translucent appearance allows parts of its internal structure to be faintly visible, giving the species its famous X-Ray Tetra name.
Pristella Tetras are peaceful, active, and social fish that make excellent additions to community aquariums. Their adaptable nature and attractive appearance make them suitable for both newer fishkeepers and experienced aquarium hobbyists.
A healthy school of Pristella Tetras creates constant movement through the middle and upper levels of the aquarium. Their subtle body colour and distinctive fin markings look particularly attractive against lush green plants, dark substrate, and natural driftwood.
Monster Aquarium Canada offers Pristella Tetra (Pristella maxillaris) for Canadian aquarium hobbyists with professional live fish shipping throughout Canada.
Why Choose Pristella Tetra?
A Beautiful and Hardy X-Ray Tetra
Pristella Tetras are prized for their:
Unique Features
Premium Characteristics
- Semi-transparent body
- Distinctive yellow, black, and white fin markings
- Active schooling behaviour
- Peaceful community temperament
- Hardy and adaptable nature
- Excellent planted aquarium fish
- Attractive midwater movement
- Popular South American freshwater species
Their unique translucent appearance makes them stand out from many other tetra species.
Aquarium Size
A 15–20 gallon aquarium is suitable for a small school, while a 20–30 gallon aquarium provides more space for a larger group and compatible community fish.
Recommended Aquarium Setup
- Mature biological filtration
- Gentle to moderate water movement
- Good oxygenation
- Live aquatic plants
- Driftwood
- Smooth stones
- Natural or dark substrate
- Open swimming areas
- Some shaded cover
Pristella Tetras appreciate a balance between planted shelter and open water for active schooling.
Water Parameters
- Scientific Name: Pristella maxillaris
- Common Name: Pristella Tetra
- Also Known As: X-Ray Tetra, Golden Pristella Tetra
- Adult Size: Approximately 1.5–2 inches (4–5 cm)
- Temperature: 22–28°C (72–82°F)
- pH: 6.0–8.0
- GH: 4–20 dGH
- Care Level: Easy
- Temperament: Peaceful
- Diet: Omnivore
- Swimming Level: Middle and upper levels
- Lifespan: Approximately 3–5 years with proper care
Although adaptable, stable and clean water conditions remain important for long-term health.
Feeding Your Pristella Tetra
Pristella Tetras are omnivorous and generally enthusiastic feeders.
Recommended Foods
- Premium tropical flakes
- Micro pellets
- Fine granules
- Frozen bloodworms
- Brine shrimp
- Daphnia
- Cyclops
- Baby brine shrimp
- Spirulina-based foods
A varied diet helps support healthy growth, activity, and strong overall condition.
Feed small portions once or twice daily and avoid overfeeding.
Ideal Planted Aquarium
Pristella Tetras are excellent fish for planted community aquariums.
Recommended Plants
- Java Fern
- Anubias
- Cryptocoryne
- Java Moss
- Bucephalandra
- Vallisneria
- Water Sprite
- Amazon Sword
- Floating plants
Plant the sides and rear of the aquarium while keeping open swimming areas through the centre.
Dark substrate can provide beautiful contrast against their translucent bodies and colourful fins.
Compatible Tank Mates
Pristella Tetras are peaceful and adaptable, making them compatible with many similarly sized community species.
Suitable Tank Mates
- Other peaceful Tetras
- Neon Tetras
- Cardinal Tetras
- Ember Tetras
- Lemon Tetras
- Harlequin Rasboras
- Corydoras
- Otocinclus
- Peaceful Gouramis
- Small peaceful Barbs
- Small Rainbowfish
Avoid:
- Large predatory fish
- Highly aggressive cichlids
- Large fin-nipping species
- Fish large enough to eat them
Choose tank mates with compatible adult size, temperament, and water requirements.
Schooling Behaviour
Pristella Tetras are social fish and should be maintained in groups.
Recommended Group Size
Keep 6 or more, with 8–10 or more providing an even more natural and impressive schooling display.
A proper school encourages:
- Greater confidence
- Reduced stress
- Natural social interaction
- More coordinated swimming
- Better overall aquarium activity
Larger groups can look especially impressive in a spacious planted aquarium.
Male and Female Differences
Sexual differences are generally subtle.
Males
- Often slimmer-bodied
- May appear slightly more streamlined
Females
- Usually fuller-bodied
- May develop a more rounded abdomen when carrying eggs
Sexing young Pristella Tetras can be difficult.
Supporting Healthy Colour and Appearance
The appearance of Pristella Tetras depends on genetics, diet, health, and aquarium conditions.
Care Tips
- Maintain excellent water quality
- Feed a varied diet
- Keep a proper social group
- Avoid overcrowding
- Provide plants and cover
- Leave open swimming space
- Minimize unnecessary stress
Healthy Pristella Tetras should display active behaviour and clear, attractive fin markings.
Breeding Pristella Tetras
Pristella Tetras are egg-scattering fish and may breed under suitable conditions.
Breeding Tips
- Condition healthy adults with nutritious foods
- Use a separate breeding aquarium
- Provide fine-leaved plants or spawning mops
- Maintain clean water
- Keep lighting subdued
- Remove adults after spawning
- Protect eggs and developing fry
Adults do not provide parental care and may eat their eggs.
Raising Fry
Newly hatched fry require extremely small foods initially, followed by larger foods such as baby brine shrimp as they grow.
Why Buy Pristella Tetra from Monster Aquarium Canada?
Premium Healthy Aquarium Fish
Monster Aquarium Canada carefully selects Pristella Tetras for:
- Healthy body condition
- Active swimming
- Strong feeding response
- Attractive transparent appearance
- Clear fin markings
- Premium aquarium quality
Professional Live Fish Shipping Across Canada
Live fish are professionally packaged to help provide safe transportation throughout Canada.
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 aquarists.
Frequently Asked Questions
1. How large does a Pristella Tetra grow?
Pristella Tetras generally reach approximately 1.5–2 inches (4–5 cm) as adults.
2. Why is the Pristella Tetra called an X-Ray Tetra?
Its body is partially transparent, allowing parts of its internal structure to be faintly visible, giving it the popular name X-Ray Tetra.
3. Are Pristella Tetras peaceful?
Yes. They are peaceful, social community fish and are suitable for aquariums with other appropriately sized, non-aggressive species.
4. How many Pristella Tetras should I keep?
A group of 6 or more is recommended, while 8–10 or more provides an even more natural schooling display.
5. Does Monster Aquarium Canada ship Pristella Tetras across Canada?
Yes. Monster Aquarium Canada provides professional live fish shipping throughout Canada to help ensure your Pristella Tetras arrive healthy and ready for their new aquarium.




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