Discus

The king of the aquarium: water parameters, feeding and colour varieties of the discus.

Discus with natural brown and turquoise striping among plants

Wild discus: natural beauty from the Amazon

Heckel, green, blue or brown: wild discus from the Amazon are less vivid than bred varieties, but have an unmatched presence. Here is what you need to know.

Two red-patterned discus swimming side by side

Buying a healthy discus: what to look for

Discus quickly cost a lot of money. With this checklist you can recognise a healthy fish, avoid problems during acclimatisation and set up a proper quarantine.

Red Turquoise and Blue Diamond discus between aquarium plants

The best plants for a discus aquarium

Not every aquarium plant tolerates 29 °C. These plants do well with discus, and here is how to combine a beautifully planted tank with healthy fish.

Orange discus in a planted aquarium

Hexamita and hole-in-the-head in discus

White, slimy droppings and holes in the head: hexamita and hole-in-the-head are among the best-known discus problems. How to recognise them, and how to tackle them.

Turquoise-striped discus in front of tall aquarium plants

Gill flukes and intestinal worms in discus

Rapid breathing or losing weight despite eating well? Worms are among the most common discus problems. How to recognise gill flukes and intestinal worms, and how to tackle them.