They are known to be bold and aggressive. They are known to be very territorial, and with their poisonous defense, they are fearless. During the tadpole stage of development, D. azureus can be cannibalistic. As adults, they secrete a lethal poison when frightened. Habitat D. azureus lives in the rainforest and is accustomed to dark environments with a lot of rainfall.
Adults are terrestrial and spend most of their time out of the water near streams.
The poison of the D. azureus is lethal. Introduction to Herpetology. Hoogmoed, M.S. 1973. The Lizards and Amphibians of Surinam. Herpetology, An Introductory Biology of Amphibians and Reptiles.