Siamese fighters, or Betta, originate from the warm, fresh waters of Thailand, formerly Siam, and are a favourite for beginner and experienced fishkeepers alike.

Oddball is the term used to describe an aquarium fish which may look or behave unusually and is not suitable for the average community tank.

Brackish fish are some of the most well known, distinctive, characterful fish available and include a number of interesting species.

Think of an unheated, coldwater aquarium and you may be forgiven for thinking that your fish choice is limited to goldfish.

Loaches are a diverse group of popular aquarium fish that naturally inhabit tropical, temperate and cold freshwaters, and they make great choices for fishkeepers.

Gouramis are one of the most popular groups of aquarium fish. They are widely available, cheap and offer graceful swimming, colour and a centrepiece fish.

Sterlet and Sturgeon are very popular because of their prehistoric, shark-like looks and the way they stick their noses out of the water.

Flowerhorn cichlids are hybrid Central American cichlids, also known as Louhan in Asia. One or more of the original parent species was Amphilophus trimaculatus.

Rainbowfish are tropical freshwater fish so named because of the variety of bright colours displayed by mature males.