Medium to large-sized rays with the tail longer than the disc and one or more venomous barbs on a long slender tail. Dasyatids have a slightly to moderately elevated head and mouth with many small teeth arranged in oblique rows, and no caudal fin.
The largest Australian species, Dasyatis brevicaudatus, grows to a length of 4.3 m and a disc width of 2 m.
Last, P.R. & Compagno, L.J.V. 1999. Family Dasyatidae. pp. 1479-1505 in Carpenter, K.E. & Niem, V.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 3 1397-2068 pp.
Last, P.R. & Stevens, J.D. 1994. Sharks and Rays of Australia. Canberra : CSIRO Australia 513 pp. 84 pls
Last, P.R. & Stevens, J.D. 2009. Sharks and Rays of Australia. Collingwood : CSIRO Publishing Australia 2, 550 pp.