Attributes / relations provided by
♦ ¹Trophic Level and Isotopic Composition of δ13C and δ15N of Pacific Angel Shark, Squatina californica (Ayers, 1859), in the Southern Gulf of California, Mexico, O. Escobar-Sánchez, F. Galván-Magaña and L.A. Abitia-Cárdenas, Journal of Fisheries and Aquatic Science 6 (2): 141-150, 2011
♦ ²Seasonal and size-related differences in diet of the Atlantic angel shark Squatina dumeril in the northeastern Gulf of Mexico, Ivy E. Baremore, Debra J. Murie, John K. Carlson, Aquat Biol 8: 125–136, 2010