The eastern water skink is usually found close to or on the shore of slow flowing creeks and estuaries, hence its common names. However, the eastern water skink is not restricted to areas near freshwater, and is frequently found in somewhat dry environments, including sandstone outcroppings and savanna.
Boulenger GA (1887). Catalogue of the Lizards in the British Museum (Natural History), Second Edition. Volume III. ... Scincidæ ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xii + 575 pp. + Plates I-XL. (Lygosoma quoyi, pp. 230–231).
Duméril AMC, Bibron G (1839). Erpétologie générale ou Histoire naturelle complète des Reptiles. Tome cinquième [= General Herpetology or Complete Natural History of the Reptiles. Volume 5]. Paris: Roret. viii + 854 pp. (Lygosoma quoyii, replacement name, pp. 728–730). (in French).