The impermanent biotope

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

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

High water levels, submerged floodplains and fast-moving, debris-laden flows have become a common sight this winter, raising understandable concerns about the impact such conditions may have on our fisheries and fish stocks...

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

ONE OF THE most mesmerising spectacles in the animal kingdom, is a group of fish swimming in unison. Almost as though they are a single entity, these synchronised fluid formations appear like choreogr

Rising, coloured water is the enemy of winter lure anglers but, with effort and exploration, bites are still there to be had, says Karl Bird