Fishkeeping Answers

Need fishkeeping advice? We have a team of top aquatic experts on hand to answer your questions. Email us at [email protected] and we'll pass your question on to the most relevant expert. Remember to include as much information as you can about your set-up and a photo could be useful too. There are even prizes for the Tropical, Marine, Plant and Coldwater/Pond letters of the month!

What's the best substrate for Corydoras?

Practical Fishkeeping •

Corydoras like to root around in the substrate for food. So what should we use in the aquarium to allow them to behave…

How do pufferfish inflate?

Practical Fishkeeping •

Pufferfish inflate to prevent predators eating them, but how do they do it and why don't their ribs break when they do…