Diet and reproduction in the Australian butterfly ray Gymnura australis from northern and north-eastern Australia

The diet of Gymnura australis was dominated by teleosts (99.8% index of relative importance). A wide-ranging species, females matured at 446 mm disc width (W-D), had a single functional ovary and two functional uteri. Males matured at 377 mm W-D and had a single functional testis. (C) 2009 The Authors Journal compilation (C) 2009 The Fisheries Society of the British Isle