Can i add a second group of loaches?

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

MOST FISH ARE carnivorous at some level, taking insects and other small prey items even if they otherwise graze on algae or plants. But those that feed primarily on other fish often have behaviours an

TO BEGIN THE story of how I came to build a display aquarium in a zoo, we need to go back almost 7 years to when I first encountered these ‘wild’ guppies. I had just started working as an aquarium tec

IN MARINE FISHKEEPING, fish are the undeniable show-stealers. When folks think “reef tank”, what comes to mind are graceful yellow tangs, wiggly ‘Nemos’, and psychedelic mandarins. Not a lot of people

A sturdy bonsai freshwater swashbuckler, the spiny stickleback is often the first fish we catch as children

As long as the swim is snag-free, and the tackle is balanced, there’s no reason to join the heavy mob when you target chub and barbel...