Fish

Get into reefkeeping and one of the first things you’ll be recommended will be Clean Up Crew. Abbreviated to CUC online, but where do you start?

Got Goldfish? Have questions about them? Read the Swell Guide to some of the most frequently asked questions and answers on Goldfish.

Catfish are an amazingly diverse group, named of course after their cat-like whiskers. They range in size from just a couple of cm to three metres in length.

Check our the most frequently asked questions on the ever-popular star of Finding Nemo, the Clownfish, and our experts answers to them.

If you find a dead fish in the pond the first thing to check for is oxygen, which you do visually. Then, check your equipment, and of course, test your water.

Small, colourful, undemanding, cheap, tetras have it all and few tropical community tanks run without them. Here’s what you need to know.

Feeding the right food to your fish is critical to their health. With each species having unique requirements, here’s what you need to know.

Livebearing fish are some of the most popular tropical aquarium fish of all time and include guppies, platies, mollies and swordtails.

Buying pond fish should be one of the most pleasurable sides to owning a pond, but there are a few things to look out for before you commit.