Mother-offspring isotope fractionation in two species of placentatrophic sharks J. J. VAUDO ET AL.

Authors :: Vaudo, J. J.
Matich, P.
Heithaus, M. R.
Source :: Journal of Fish Biology; Nov2010, Vol. 77 Issue 7, p1724-1727, 4p, 1 Graph
Publication Year :: 2010
Abstract: Stable-isotope values of a scalloped hammerhead Sphyrna lewini and blacktip shark Carcharhinus limbatus and their respective embryos were analysed. Embryos of both species were enriched in δN compared to their mothers (0·82 and 0·88‰, respectively), but fractionation of δC varied. Embryonic S. lewini were enriched (1·00‰) in δC while C. limbatus were depleted (0·27‰) relative to their mothers. [ABSTRACT FROM AUTHOR]

Subjects :: HAMMERHEAD sharks
BLACKTIP shark
CARCHARHINUS
FISH embryos
COMPARATIVE studies
NITROGEN isotopes
FISHES
INTRACOASTAL waterways
ANIMAL health

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