Chuckwallas are large lizards found primarily in arid regions of the southwestern United States and northern Mexico. Some are found on coastal islands. There are five species of chuckwallas, all within the genus Sauromalus; they are part of the iguanid family, Iguanidae.
- Original Name: "Sauromalus obesus"
- Series: Reptiles
- Country: Cambodia (R.P. Kampuchea)
- Year: 1987-09-09
- Subject: Animals
- Perforation: comb 12¾
- Printing: offset lithography
- Face value: 1.5 riel
- Number of catalogue Michel: KH 887