tetras, cardinals will reproduce in
captivity. They are most likely to breed at night or in a dimly lit
tank. Cardinal tetras are egg layers. They scatter their eggs. Like all
tetras, cardinals will eat their eggs. A good way to prevent this from
happening is to add a layer of marbles to the bottom of your fish tank.
The eggs will slip through to the bottom where they will be safe until
Here are some handy tips to follow if you intend to spawn tetras.
Keep them in a separate breeding tank provided with floating plants.
They won’t breed in hard, alkaline water. You can filter the
through peat or add thin layer to your substrate to imitate perfect
mating conditions. Make sure the peat contains no chemical additives.
remove the adult fish from the breeding
tank. Cardinal tetra fry hatch in about 24 hours. Once they hatch, they
can be fed liquid fry food, infusoria, or rotifers. Both are readily
available at fish specialty stores. Larger fry will thrive on small
amounts of hard-boiled egg yolk ran through a food processor. Powdered
eggs will also work.
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