Murray River turtle. The shell is predominantly medium to … They feed mostly on molluscs and crustaceans but will also eat carrion. Also known as the Macquarie turtle or Murray short-necked turtle, this turtle can grow to about 30cm in length. Emydura macquarii. Murray River Turtle. Information on how to care for a Murray short neck turtle including feeding, housing and lighting for a Murray short neck turtle. Here the brain can continue to function effectively for around 2- 3 hours depending on the species and size of the individual. There are two fleshy barbels under its chin. Adult Size: Up to 12 inches. Range: Most of the river systems of eastern Australia. Adult Size: Longneck Turtle 21-26cm Murray Shortneck Turtle 26-29cm Housing: Turtle Eco 60 (60x45cm) – 2 small turtles for up to 2 years Turtle Eco 90 (90x45cm) – 2 juvenile turtles for up to 6 years Turtle Eco 120 (12x60cm) or Larger – 2 Adult Turtles for Life. Habitat: Rivers and streams with aquatic plants and plant along the river edges. Family: Chelidae. The male has a much fatter and longer tail than the female. Murray River Turtles grow to about a dinner plate size and require a large tank or pond when fully grown so it is usually convenient to begin with a large tank to avoid having to upgrade your tank size later on. The Murray River Turtle can grow to a size of about 30cm in length. You can however begin with a 2 foot tank (at the smallest) with baby turtles but an upgrade to a 3 foot tank is usually required within 12 months. Also in ponds and dammed portions of rivers. Murray River Short-neck Turtle Care Sheet.