What lies beneath?

THINK OF SOUTH American fishes and we mostly think of species from the Amazon basin. Like all river basins, the Amazon has an edge, in this case, one of those edges is the Guiana Shield, a region rich

WAY BACK WHEN I first started keeping fish I was instantly drawn to, what were at the time, the genus Corydoras. Their cute demeanour and the constant shuffling over the substrate had me captivated in

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

ALTHOUGH THE EVER-GROWING presence of online retailers has granted the fishkeeping community with access to countless species in recent times, I’m still very much a sucker for wandering into the store

Caught a memorable fish? Send your pictures to: troutandsalmon@twsgroup.com

An ecosystem evolves across thousands of years, a biological interaction that is both intricate and fragile. The arrival of a new species can disrupt the balance, as we have seen in Britain with grey