Reptile Glossary

arboreal: Lives in trees or bushes.
carapace: A bony or hard shell that covers part or all of an animal.
Turtles, crabs, and boxfish are good examples.
dorsal: Pertains to the back or upper surface.
opalescent: Exhibiting a milky iridescence like that of an opal.
plastron: The lower shell of a turtle.