Aquarists who keep discus fish and other large cichlids know the problem: Whitish, slimy fish waste, darkening and lesions in the head region, known…

Until now, combating fish lice and other parasitic crustaceans such as anchorworms (Lernaea) or other copepods (e.g. Ergasilus) was only possible with…

Not a nuisance but an eye-catcher: Calcareous red algae are the best examples for algae not always being a nuisance. These colorful marine algae are…

Relaxation – sports – nature – lifestyle: These are only a few facets of how a pond can add to our lives. Be it a small water display on the balcony,…

They have a thick carapace and are renowned for their calmness. There have been turtles for over 200 million years. This is fascinating for animal…