What percentage of a reptile's mass is made up by water?

In a research paper written by Michael J. Angilletta Jr., he carries out an experiment to find the Total Body Electric Conductivity (or TOBEC), and Total Body Water in the Eastern Fence lizard species (Sceloporus undulat). read more

The lizards were found to have body water content ranging from 81.3% all the way down to 63.6%, though he mentions that those were the extremes from both ends, and settles on an average of 72.3%, plus or minus 1.2%. read more

It varies on the animal. For example, the Water Bear, a microscopic creature only 1/16 of an inch, is 99.9% water, while humans are about 75% water. read more