Franco Banfi / Striped marlin (Kajikia audax) hunting Sardine (Sardinops sagax) in bait ball. Magdalena Bay, Baja California Sur, Mexico.

Franco Banfi / California sealion (Zalophus californianus) swimming. Magdalena Bay, Baja California Sur, Pacific Ocean, Mexico

Franco Banfi / Striped marlin (Tetrapturus audax) feeding on Sardine (Sardinops sagax). Magdalena Bay, Baja California Sur, Pacific Ocean, Mexico.

Tony Wu / Grey whale (Eschrichtius robustus) calf at ocean surface, with its mother visible, Magdalena Bay, Baja California, Mexico.

Franco Banfi / Striped marlin (Kajikia audax) group feeding. Magdalena Bay, Baja California Sur, Mexico.

Franco Banfi / Sardine (Sardinops sagax) bait ball. Magdalena Bay, Baja California Sur, Mexico.

Franco Banfi / Free divers preparing to photograph Striped marlin feeding on Sardine bait ball. Magdalena Bay, Baja California Sur, Mexico.

Franco Banfi / California sealion (Zalophus californianus) and Striped marlin (Tetrapturus audax) feeding on Sardine (Sardinops sagax) bait ball. Magdalena Bay, Baja California, Mexico.

Franco Banfi / Turtle shell skeleton on sandy beach. Magdalena Island, Magdalena Bay, Baja California Sur, Mexico.

Franco Banfi / Grey whale (Eschrichtius robustus) skeleton on beach. Magdalena Island, Magdalena Bay, Baja California Sur, Mexico.

Franco Banfi / California sea lion ( Zalophus californianus), rests on buoy, Magdalena Bay, Baja California Sur, Mexico.

Franco Banfi / Striped marlin (Tetrapturus audax) feeding on Sardine (Sardinops sagax), blurred motion. Magdalena Bay, Baja California Sur, Mexico.