Undo the bag or cut the knot off and roll down the sides to make a floating collar. Repeat this every few minutes until the ...

Like livebearers, bristlenoses breed fast and are regularly offered to shops in more numbers than they sell (and they can ...

Fishkeepers the world over struck gold with the introduction of the small colourful rock dwelling cichlids from East Africa’s Lake Malawi. The mbuna as they are known (pronounced mmm-boon-a or mu-boon ...

George Farmer takes a look at how to measure the levels of CO2 in the planted aquarium to ensure it benefits the plants, while remaining safe for your fish. Carbon dioxide (CO2) injection in planted ...

Matt Clarke answers some of the most common questions on choosing an aquarium filter. Why do I need a filter? A filter is essential for removing wastes produced by fish. Without one, the water would ...

Emma Turner spotlights a remarkable air-breathing loach that can survive for several hours out of water and, by its body actions, also predict storms. The Weather loach may not be the most flamboyant ...

Got a problem with algae in your aquarium? These fish will all earn their keep by helping to keep it under control... As our tanks become increasingly smaller we need to find similarly sized nano ...

Are you keeping an illegal crayfish? If you are, you risk a visit from the authorities to have your livestock confiscated. As a retailer, if you’re caught with the wrong species, you could lose your ...

Are there any catfish available for the coldwater aquarium, and is it a good idea to add one? Lots, but many cannot be kept legally and most do not mix well with other coldwater fish. North American ...

Nathan Hill creates a useful aquatic device for those who want a river biotope tank with a more natural flow. Here's how to do it... If we absorb the new documentaries and scientific papers we can ...

Nitrite is a toxic pollutant and high levels can be deadly for your fish. Matt Clarke explains what causes nitrite to rise, and what you can do to save your fish in a water quality crisis... What is ...

Here's the second of a five-part series of lessons to guide new aquarists through the basics of fishkeeping. Infectious diseases are those caused by pathogens and parasites, and those are what we ...