Flatworms can be a pest in reef aquaria and if left alone they can multiply and reach plague proportions. Here’s how to control them.

Choosing marine fish can be a minefield, with most of the desirable ones like puffers and butterflyfish being unsuitable for reef tanks.

Want to breed cichlids? Read our useful guide on the five easiest cichlids for you to breed at home, and get started the right way!

The key to managing disease in your fish tank is to observe your fish. Watch your fish every day but at the same time look for signs of ill health and disease.

Part of the appeal of a marine aquarium is the bright coral sand base that transports the viewer to a beach on a tropical island.

Plecos are popular aquarium fish, known for their sucker mouths and their algae-eating capabilities. Some plecos get big however or have specialised care requirements.

A leaking tank can be a a fishkeeper’s worst nightmare. Read our useful guide full of tips on what to do in an emergency when your tank springs a leak.

The weather definitely changes in October, with more rainfall and lots of leaves. If you have one, open the drain valve on your filter to purge excess water from the pond.

Heres the scene. You’ve been keeping marines and running a reef tank for six months now and everything is going well, now you want to add some SPS corals.