1. College of Fisheries and Ocean Sciences University of Alaska Fairbanks Juneau Alaska99801 USA
2. Instituto de Investigaciones Oceanológicas Universidad Autónoma de Baja California Km 106 Carretera Tijuana‐Ensenada Ensenada Baja CaliforniaCP 22860 Mexico
3. Department of Biological Oceanography CICESE Ensenada Baja California Mexico