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Cardinals are native to the Amazon basin in South America and occur in two distinct populations. Firstly, the most prolific location is around Manaus in central Brazil, primarily in the Rio Negro and its tributaries. The second distinct population is in Columbia in the Rio Meta and its tributaries. Most supplies to our trade are from wild-caught fish and as such the supply is regulated by flooding and other natural phenomena. Cardinal tetras are a peaceful fish preferring soft & slightly acid water.
Tetras are considered easy to keep in a community aquarium of at least 20L, with a pH of 5.07.0 and KH of 1.02.0. However, they will not tolerate dramatic changes to their environment. The Tetra can live 10 years or more with the proper conditions. They tend to be timid and, because of their small size, should not be kept with large or aggressive fish who may bully or simply eat them.
Fish that mix well in an aquarium are other types of tetras, and other community fish that live well in an ideal Tetra water condition. Mid-level feeders, they are best kept in schools of five to eight or more, for the "shoaling" effect when they move around the tank. They shoal naturally in the wild and are thus happier, more brightly coloured, and more active when kept as a shoal as opposed to singly.
Tetras are best kept in a densely planted tank with subdued light and an ideal temperature of 2024?C to resemble their native Amazon environment. Tetras are omnivores and will accept most flake foods, but should also have some small foods such as brine shrimp, daphnia, freeze-dried bloodworms, tubifex, and micro pellet food to supplement their diet.
Tetras are considered easy to keep in a community aquarium of at least 20L, with a pH of 5.07.0 and KH of 1.02.0. However, they will not tolerate dramatic changes to their environment. The Tetra can live 10 years or more with the proper conditions. They tend to be timid and, because of their small size, should not be kept with large or aggressive fish who may bully or simply eat them.
Fish that mix well in an aquarium are other types of tetras, and other community fish that live well in an ideal Tetra water condition. Mid-level feeders, they are best kept in schools of five to eight or more, for the "shoaling" effect when they move around the tank. They shoal naturally in the wild and are thus happier, more brightly coloured, and more active when kept as a shoal as opposed to singly.
Tetras are best kept in a densely planted tank with subdued light and an ideal temperature of 2024?C to resemble their native Amazon environment. Tetras are omnivores and will accept most flake foods, but should also have some small foods such as brine shrimp, daphnia, freeze-dried bloodworms, tubifex, and micro pellet food to supplement their diet.
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Customer Reviews
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Gorgeous fish Review by Lisa
Customer Rating Arrived this morning, were very pale, but after a few minutes out in the light they started to colour up. 12 hours later and they are looking stunning in my tank. I have always wanted some of these guys as a planted tank just isn't quite the same without a school of them. Money well spent and they're getting on fine with the white clouds in the tank. (Posted on 12/04/12)
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In any tropical aquarium a bunch of these guys would be a great addition Review by Ruth Wood
Customer Rating In any tropical aquarium a bunch of these guys would be a great addition :) they school all over the place when you have heaps..... Mine do that and when I put the hose in to refill my tank after water change (because its a 300 litre and takes a while to refill) they try and swim towards the current... really cute =) by Jesse Wood (Ruth woods son) (Posted on 16/07/10)
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great looking fish Review by MICHAEL DUNCAN
Customer Rating great looking fish.more colour than the neons.very hardy.a must have in a tetra tank. (Posted on 16/07/10)
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These are a beautiful fish Review by Jamie Luscombe
Customer Rating These are a beautiful fish, and in schools of over around 10 they look stunning. Make sure you get a school over over 5 though, if you don't, they nip the other fish in the tank. While being a little more expensive than the neon tetra, that extra centimetre or two and the extra red makes them many times easier and more pleasurable to watch. Overall, they are a great community fish that is easy to look after and very good looking. I would definately recommend them to any peaceful community tank keeper. (Posted on 16/07/10)
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Absolutely love these guys Review by Heidi S
Customer Rating Absolutely love these guys. A beautiful additon to tank. Will be getting more, they're stunning to watch and arrived very healthy and active. I was impressed with service and delivery. I've had these fish for over a week now, and still they're beautiful & healthy to watch. Very impressed. (Posted on 16/07/10)
