I have found the following links to be especially helpful in my search for information on the internet:
American Cichlid Association - http://www.cichlid.org/
The Krib - http://www.thekrib.com/
Apistogramma Study Group - http://www.apisto.com/ (seems to be inactive at this time)
The Angelfish Society - http://www.aquaworldnet.org/tas/
Planet Catfish - http://www.planetcatfish.com/core/index.htm
AquaBid - http://www.AquaBid.com
American Killifish Association - http://www.aka.org
American Livebearer Association - http://livebearers.org
Planet Catfish - www.planetcatfish.com
Northwest Arkansas Aquarium Society - http://nwaas.informe.com/
You can email me at: