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Information from a pregnant salmon shark Lamna ditropis in the eastern North Pacific with observations on oophagous reproduction

2008; Wiley; Volume: 73; Issue: 3 Linguagem: Inglês

10.1111/j.1095-8649.2008.01951.x

1095-8649

V. F. Gallucci, Robert J. Foy, Shannon M. O’Brien, Alexandre Aires‐da‐Silva, Hans P Nesse, Brian J. Langseth, Nic M. Vega, Ian Taylor, K.J. Goldman,

Fish Ecology and Management Studies

A pregnant salmon shark Lamna ditropis, captured in Alaska in December 2006, held two male and two female oophagous embryos (two per uterus) nourished by a single large 7·5 kg ovary. This discovery provides new data and insights into reproduction of the species and new perspective on the genus Lamna .