Forever spoiled for choice, you can't go far wrong with a Corydoras, says Julian Dignall. There are many reasons why Corydoras are popular and have been an enduring part of our hobby almost since its ...

Corydoras like to root around in the substrate for food. So what should we use in the aquarium to allow them to behave naturally, without damage to their barbels? Heiko Bleher explains. I strongly ...