check the DWA section as they will be able to point you in the right direction...
you will need to do alot of research before getting a caimen as these are a dangerous animal, are you aware you will need a licence and alot of room...
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1 male yemen chameleon - Chamaeleo Calyptratus - Lewie
3 red eye tree frogs - Agalychins Callidryas - Alvin, Leah and Lana
2 vietnamese gliding tree frogs - Rhacophorus Dennysii - Ronnie and Reggie
1 malayan leaf frog - Megophrys Nasuta - Yoda
1 fire bellied toad - Bombina Orientalis - Bud
member of the RFUK insommniac club
Dwarf Caimens are still 4-5 feet minimum. Food and space are a huge problem. Coupled with you need a swimming area as well as dry land with basking space.