
The most beautiful discus varieties: from Blue Diamond to Pigeon Blood
Turquoise, Blue Diamond, Pigeon Blood or Leopard? The best-known discus colour varieties at a glance, and how to recognise a truly beautiful fish.
The king of the aquarium: water parameters, feeding and colour varieties of the discus.

Turquoise, Blue Diamond, Pigeon Blood or Leopard? The best-known discus colour varieties at a glance, and how to recognise a truly beautiful fish.

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.

Discus have a reputation for being difficult, but with warm, clean water and a fixed routine they are rewarding fish. Here is what you need to know.

From pioneer Eduard Schmidt-Focke to today’s breeders: an overview of discus breeding in Europe and what to look for when choosing a breeder.

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.

Which aquarium, which filter and how much heating do you need for discus? A practical overview of the equipment that makes the difference.

Warm, soft and above all clean: that’s ideal discus water. About temperature, pH, conductivity, reverse osmosis water and why large water changes matter so much.

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.

Turning dark, not eating, white slime or rapid breathing: what’s wrong with your discus? An overview of the most common diseases, their symptoms and how to tackle them.

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.

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.