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♦ ¹NATURAL HISTORY OF THE RAYS OF THE GENUS MOBULA IN THE GULF OF CALIFORNIA, GIUSEPPE NOTARBARTOLO-DI-SCIARA, FISHERY BULLETIN: VOL. 86, NO. 1, 1988 p. 45-66
♦ ²DIET AND FEEDING BEHAVIOR OF FIN AND BRYDE'S WHALES IN THE CENTRAL GULF OF CALIFORNIA, MEXICO, Bernie R. Tershy, Alejandro Acevedo-G., Dawn Breese and Craig S. Strong, Rev. Inv. Cient. Vol. 1, UABCS, 1993