Practical, hands-on fish advice, organised by what you are actually trying to sort out.
Breeds
Guppies are sold as the simplest fish to keep, and mostly they are, but nobody warns you about the constant breeding or the overbred fancy strains. Here is honest guppy care.
Health
Fish hanging at the top of the tank and gulping are almost always short of oxygen, not sick in the way people first assume. Here is what causes it and how to fix it fast.
Breeds
Bettas are stunning and often sold in tiny cups with terrible advice. Here is what a betta actually needs, a proper heated, filtered tank and more, to live a full, healthy life.
Breeds
Goldfish are not the disposable bowl pets tradition made of them. They grow big, live long, and need a large filtered tank. Here is honest goldfish care that gives them a real life.
Behaviour
Fish aggression is usually not bad luck but a predictable result of the wrong mix, too little space, or too few of a schooling species. Here is how to work out the cause and calm the tank.
Breeds
The tank sizes sold for popular fish are often far too small, and it is a leading cause of sick, stunted, short-lived fish. Here is how to think about tank size honestly.