Understanding shoaling behaviour

Christmas is a time of year when friends and family often congregate. But in the underwater world there’s a whole host of benefits to be gained from sticking together

FRESHWATER FISHES CAN be described as the “forgotten vertebrates.” Despite representing more than half of all fish species, they rarely feature in mainstream conservation. And even within this overloo

For a couple of years, Inky the octopus was a popular attraction at the National Aquarium of New Zealand in Napier. Then, one morning in 2016, his tank was empty. Inky had made a daring break for free

Historically, anglerfish have not been commonly eaten in Britain. Although two species live in British waters – one of which, the white anglerfish (Lophius piscatorius, sometimes called monkfish), is

Peter is our disease expert. Send questions his way if you have pathogen problems. Bob is a master of fishkeeping general knowledge and community tanks. Jeremy is more than adept when it comes to cich

Spry, shimmering and occasionally even sanctified, the indefatigable mackerel is the wanderer of the sea–and one of history’s most fabled fish