Tetra / Aquarium Zone · Ballina
Paracheirodon axelrodi
A peaceful community fish. Grows to about 5 cm and suits a tank of 150 litres or more.
The fish, up close
The Cardinal Tetra is a stunning freshwater fish known for its vibrant blue and red colouration. Their bodies are primarily silver with a bright neon blue stripe running horizontally from the nose to the base of the tail, and a vivid red stripe that starts at the middle of the body and extends to the tail fin. These small, schooling fish have a peaceful demeanor and are popular choices for community aquariums due to their striking appearance.
Care guide
Use these notes to shape a setup around the fish, then speak with our team about the tank you have in mind.
Plan your setupBehaviour
These fish are best kept in groups of at least 6 individuals as they are schooling fish by nature. They are peaceful and non-aggressive, making them suitable tankmates for other small, peaceful species. Cardinal Tetras are active swimmers and may exhibit schooling behaviour, especially when they feel safe and comfortable in their environment.
Tank planning
Maintaining stable water parameters is crucial for the health of Cardinal Tetras. They prefer slightly acidic water with a pH between 5.5 and 7.0, temperature around 24-26°C, and soft to moderately hard water. Provide plenty of plants and hiding spots in the aquarium to mimic their natural habitat.
Practical details
Questions
For a specific fish, current stock or a tank setup question, speak with the Aquarium Zone team before travelling.
Contact the storeAquarium Zone regularly helps customers find freshwater fish in Ballina and across the Northern Rivers. Stock changes week to week, so contact the store before visiting if you are looking for Cardinal Tetra.
Yes. Bring your tank size, current fish list, setup photos, and any water test results so the team can help with compatibility, stocking, and care advice.
Cardinal Tetra is listed with this tank recommendation: A minimum tank size of 60 litres is recommended for a small school of Cardinal Tetras. Larger tanks around 100-150 litres or more are ideal for larger groups or if keeping them with other fish species. Ask in-store for advice based on your exact setup and tank mates.
Yes. Aquarium Zone serves aquarium hobbyists from Ballina, Lennox Head, Alstonville, Wollongbar, Bangalow, Byron Bay, Lismore, Evans Head, Mullumbimby, Casino and the wider Northern Rivers.
Aquarium Zone / Ballina
Looking for Cardinal Tetra? Contact us to confirm current availability and discuss whether it suits your aquarium before making the trip.
18 Southern Cross Drive
