For more than 10 years I have been working as a specialist author and speaker in aquaristics. My main topic is the ichthyofauna of South America, especially the plecos and dwarf cichlids.

I hold my lectures at meetings or events of aquarium associations, specialized shops or at trade fairs at home and abroad.

Recently I was on a three-week lecture tour in the US, but I also like to come to your aquarium club, whether it's a small gathering or an event with several hundred participants.