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

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The diet of Gymnura australis was dominated by teleosts (99ยท8% index of relative importance). A wide-ranging species, females matured at 446 mm disc width (WD), had a single functional ovary and two functional uteri. Males matured at 377 mm WD and had a single functional testis.

Keywords: biology; feeding behaviour; growth rates; teleost specialist

Document Type: Regular Paper


Affiliations: 1: Queensland Museum, South Brisbane 4001, Queensland, Australia 2: School of Biomedical Sciences, University of Queensland, Brisbane 4072, Queensland, Australia

Publication date: December 1, 2009

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