Trophic Level and Isotopic Composition of δ¹³C and δ¹⁵N of Pacific Angel Shark, Squatina californica (Ayres, 1859), in the Southern Gulf of California, Mexico

O. Escobar- Sanchez, F. Galvan- Magana and L.A. Abitia- Cardenas

Journal of Fisheries and Aquatic Science 6 ( 2 ): 141 - 150 , 2011