Biology and Ecology
The greenback stingaree preys mainly on polychaete worms and crustaceans. It is known to be parasitized by a species of monogenean in the genus Calicotyle. Like other stingrays, it is aplacental viviparous with the developing embryos sustained via histotroph ("uterine milk") produced by the mother. Females produce 1–3 pups per year, following a gestation period lasting 10–12 months. Males and females attain sexual maturity at approximately 28 cm (11 in) and 26–31 cm (10–12 in) long respectively; rays found around Lakes Entrance, Victoria apparently have a smaller maturation size than those elsewhere.
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