Anatomie
Clubs en Verenigingen
- American Fancy Rat Org.
- ANRA's Rats Australie
- Club der Rattenfreunde CH
- Midlands Rat Club
- National Alternative Pet Association
- National Fancy Rat Society
- NMC
- North of England Rat Society
- Rat & Mouse Club of America
- Rat Fancier's Society
- Rat Lover's Association
- Ratjes Belgie
- Rattenclub Berlin-Branden
- Rattenzuchtverein
- The London Mouse & Rats Club
- The Rat Fanclub
- The Scottish Rat Club
- Verein der Rattenliefhabe