Mark has been keeping fish for over 44 years. He has been a member of the Greater City Aquarium Society since 1984, and has served on its board of directors for more than 20 years. Mark was enrolled in the Greater City’s Roll of Honor in 1998 and is one of the club’s top lifetime breeders.
Mark was involved with the formation of the North American Catfish Society as well as other catfish organizations. He has written articles for Tropical Fish Hobbyist, Modern Aquarium, Greater City’s award winning publication, in addition to other catfish journals. Mark was a moderator on www.PlanetCatfish.com and is now a retired “expert” on the site.
Although Mark specializes in breeding Corydoras and other Catfish, over the years he has also bred Cichlids, Killies, Characins and livebearers. Mark is currently involved in a variety of projects, and maintains 35 tanks. He is very interested in the history of the aquarium hobby and has an extensive collection of antiquarian aquarium literature and ephemera.