What’s small, bright, and angry?

DID YOU KNOW that for less than £30, you can add one of the strangest fish on the reef to your aquarium? Everyone loves a good oddball, and the urchin clingfish (Diademichthys lineatus) ticks all the

IT HAS BEEN my longstanding dream to keep miniature versions of aquatic giants in my aquariums. I’m pretty sure that many of you wouldn’t mind having a pygmy white shark or a dwarf killer whale (had t

DR PETER BURGESS Peter is our disease expert. Send questions his way if you have pathogen problems. BOB MEHEN Bob is a master of fishkeeping general knowledge and community tanks. JEREMY GAY Jeremy is

FINDING NEMO JUST GOT TRICKIER. Why? Because it looks like clownfish are shrinking. The colourful fish, made famous by the popular animated film, can quickly reduce their size as a way to deal with he

The roach might not be a tasty catch, but this sound and sociable shoal fish is so adaptable it can thrive in all manner of less than desirable waterways

I’VE BEEN VERY lucky to observe a number of popular aquarium fishes in the wild, from marbled hatchetfish in the Amazon rainforests of Colombia, Stiphodon gobies in the highland rivers of the Philippi