Green Neon Tetra (Paracheirodon simulans) for Sale in Canada
The Green Neon Tetra (Paracheirodon simulans) is a stunning miniature South American schooling fish admired for its brilliant iridescent blue-green stripe, subtle red accents, and exceptionally peaceful nature. Although often compared with the common Neon Tetra, the Green Neon Tetra is a distinct species and is generally smaller, making it an excellent choice for carefully planned planted and nano aquariums.
A healthy school of Green Neon Tetras creates a spectacular shimmering effect as the fish move together through the aquarium. Their glowing blue-green coloration stands out beautifully against dark substrate, driftwood, leaf litter, tannin-tinted water, and lush green aquatic plants.
Because of their small size, Green Neon Tetras are best kept in a mature, stable aquarium with gentle filtration and peaceful tank mates. They should be maintained in a proper group, as schooling helps them feel secure and display more natural behaviour.
Monster Aquarium Canada offers Green Neon Tetra (Paracheirodon simulans) for Canadian aquarium hobbyists with professional live fish shipping throughout Canada.
Why Choose Green Neon Tetra?
A Tiny and Brilliant South American Schooling Fish
Green Neon Tetras are prized for their:
Unique Features
Premium Characteristics
- Brilliant iridescent blue-green horizontal stripe
- Tiny adult size
- Peaceful community temperament
- Beautiful schooling behaviour
- Excellent nano aquarium fish
- Ideal for planted aquariums
- Spectacular shimmer when kept in groups
- Attractive blackwater-style aquarium species
Their glowing colour can make a large school appear like tiny flashes of green-blue light moving through the aquarium.
Aquarium Size
A 10-gallon aquarium may be suitable for a carefully maintained species-focused group, while a 15–20 gallon aquarium or larger is recommended for a larger school or peaceful community setup.
Because of their small size, water quality and stability are especially important.
Recommended Aquarium Setup
- Mature biological filtration
- Very gentle water movement
- Stable water temperature
- Good oxygenation
- Dense live plants
- Fine-leaved plants
- Driftwood
- Leaf litter
- Dark substrate
- Open swimming areas
- Some shaded cover
A planted or natural blackwater-style aquarium can provide an excellent environment for this species.
Water Parameters
- Scientific Name: Paracheirodon simulans
- Common Name: Green Neon Tetra
- Adult Size: Approximately 1 inch (2.5–3 cm)
- Temperature: 23–28°C (73–82°F)
- pH: 4.5–7.0
- GH: 1–8 dGH
- Care Level: Moderate
- Temperament: Very peaceful
- Diet: Omnivore
- Swimming Level: Middle and upper levels
- Lifespan: Approximately 2–5 years with proper care
Stable conditions are more important than constantly attempting to achieve an exact number. Avoid sudden changes in temperature or water chemistry.
Feeding Your Green Neon Tetra
Green Neon Tetras have very small mouths and require appropriately sized foods.
Recommended Foods
- High-quality micro pellets
- Fine crushed tropical flakes
- Powdered fry foods
- Baby brine shrimp
- Daphnia
- Cyclops
- Microworms
- Small live foods
Feed small portions once or twice daily. Make sure food particles are small enough for every fish in the school to eat comfortably.
Ideal Planted Aquarium
Green Neon Tetras are exceptional fish for peaceful planted aquariums.
Recommended Plants
- Java Moss
- Christmas Moss
- Fine-leaved stem plants
- Cryptocoryne
- Small Anubias
- Bucephalandra
- Water Sprite
- Floating plants
Dense planting provides security and can help create a natural environment, while open areas should remain available for the school to swim together.
Dark substrate and gentle lighting can make their blue-green stripe especially striking.
Compatible Tank Mates
Green Neon Tetras are extremely peaceful and should only be kept with similarly calm and appropriately sized species.
Suitable Tank Mates
- Other Green Neon Tetras
- Ember Tetras
- Chili Rasboras
- Small Rasboras
- Celestial Pearl Danios
- Pygmy Corydoras
- Otocinclus
- Small peaceful Gouramis
- Small peaceful shrimp
- Other gentle nano fish
Avoid:
- Large fish
- Predatory fish
- Aggressive species
- Large fin-nipping fish
- Fish capable of swallowing Green Neon Tetras
Their small size makes careful tank-mate selection especially important.
Schooling Behaviour
Green Neon Tetras are highly social and should be kept in groups.
Recommended Group Size
Keep 10 or more, with 15–20 or more creating an especially impressive and natural display when aquarium space allows.
A proper school encourages:
- Greater confidence
- Reduced stress
- Natural social behaviour
- More coordinated swimming
- Better use of the aquarium
A larger group can create a spectacular glowing effect in a planted or blackwater-style aquarium.
Male and Female Differences
Sexual differences are generally subtle.
Males
- Often appear slightly slimmer
- May have a straighter-looking body profile
Females
- Usually have a slightly fuller body
- May develop a rounder abdomen when carrying eggs
Sexing individual Green Neon Tetras can be difficult, particularly when they are young.
Supporting Brilliant Blue-Green Coloration
The iridescent appearance of Green Neon Tetras is influenced by genetics, health, diet, and environmental conditions.
Colour-Care Tips
- Maintain excellent and stable water quality
- Feed a varied diet
- Keep an appropriate school
- Avoid overcrowding
- Provide plants and natural cover
- Use gentle lighting
- Minimize unnecessary stress
Healthy Green Neon Tetras can show an exceptionally bright blue-green shimmer under suitable aquarium lighting.
Breeding Green Neon Tetras
Breeding Paracheirodon simulans can be challenging and is best attempted in a dedicated breeding aquarium.
Breeding Tips
- Condition healthy adults with nutritious foods
- Use a separate breeding aquarium
- Maintain very clean, soft water
- Keep lighting subdued
- Provide fine-leaved plants or spawning material
- Remove adults after spawning
- Protect eggs from bright light
Adults do not provide parental care and may consume eggs.
Raising Fry
Newly hatched fry require extremely small foods at first. As they develop, they can gradually transition to larger foods such as baby brine shrimp.
Why Buy Green Neon Tetra from Monster Aquarium Canada?
Premium Healthy Aquarium Fish
Monster Aquarium Canada carefully selects Green Neon Tetras for:
- Healthy body condition
- Active swimming
- Strong feeding response
- Bright natural coloration
- 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 Green Neon Tetra grow?
Green Neon Tetras generally reach approximately 1 inch (2.5–3 cm) as adults.
2. What is the difference between a Green Neon Tetra and a regular Neon Tetra?
Green Neon Tetras are a different species, Paracheirodon simulans. They are generally smaller and display a more blue-green iridescent stripe with less extensive red coloration than the common Neon Tetra.
3. How many Green Neon Tetras should I keep?
A group of 10 or more is recommended, while 15–20 or more can create an especially natural and impressive schooling display when space allows.
4. Are Green Neon Tetras good for planted aquariums?
Yes. They are excellent for peaceful planted aquariums, where their glowing blue-green coloration contrasts beautifully with dark substrate and green plants.
5. Does Monster Aquarium Canada ship Green Neon Tetras across Canada?
Yes. Monster Aquarium Canada provides professional live fish shipping throughout Canada to help Canadian aquarists receive their Green Neon Tetras safely.




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