How do I ‘tame’ this gourami?

A reader asks for advice on what to do with his stroppy gourami...

What can I keep in this nano tank?

What fish can be kept in a 45 x 45 x 45cm nano aquarium? Neale advises...

Which starfish should I choose?

Are there any starfish that are relatively easy to keep? Expert Jeremy advises...

A blackwater breakdown

The blackwater biotope is all the rage in hobby circles, but is there more to it than just staining the water? Chris Sergeant explores the dark and murky waters.

Part eel, part cat...

The Eel-tailed catfish are rare and quirky, but they’re also charming and beautiful. Steve Grant takes a look a these fabulous oddballs.

Happy fish, healthy fishkeeper

It’s said that aquariums are good for you, but is there any rational basis to this claim? New contributor Heather Walford investigates.

What caused this snail die-off?

Expert Jeremy explains the possible reasons why a readers' tank snails have suddenly died...

Why does my common goldfish have a swollen abdomen?

One of our readers has noticed his common goldfish has a very swollen abdomen. Dr Peter Burgess explains why this may have happened and what can be done to help...

Nanochromis transvestitus

We tend to think of male fish as being the brighter of the sexes, but this isn’t always the case. Uwe Werner looks at a species famed for its extravagant females.