Bruce Robison recorded this Aquacast at the Aquarium on August 13, 2013. Robison is a fellow of the American Association for the Advancement of Science and a fellow of the California Academy of Sciences.

Edith Widder recorded this Aquacast at the Aquarium on August 27, 2013. Widder is a deep-sea explorer, oceanographer, marine biologist, and co-founder of the Ocean Research and Conservation Association.

Jim Hellemn recorded this Aquacast at the Aquarium on April 23, 2013. His photography has appeared in National Geographic magazine and at the American Museum of Natural History.

Aquacast recorded on July 25, 2013. Jesus Reyes discusses the pressures on California’s coastal aquatic environments derived from highly developed urban and residential zones and their diverse, extensive activities.

Aquacast recorded on June 19, 2013. Nicholas Fisher discusses the release of long-lived radionuclides from the Fukushima nuclear power plant in Japan into the Pacific and the subsequent bioaccumulation of these contaminants in diverse marine biota.

Aquacast recorded on June 25, 2013. Asila Ghoul discussed a recent study of the sensory systems of sea otters and how these amphibious animals are adapted for an aquatic lifestyle.

Aquacast recorded on June 13, 2013. Richard Ellis discussed the broadbill swordfish, whose scientific name Xiphias gladius means “gladiator.”

Aquacast recorded on May 14, 2013. Rapid coastal development, water and air pollution, overfishing, bycatch, and habitat loss have all contributed to declines in shark populations. Chris Lowe, of California State University, Long Beach's Shark Lab, discussed federal and state agencies and regulations and how they have helped sharks recover.

Aquacast recorded at the Aquarium on May 7, 2013. After the earthquake and resulting tsunami that struck Japan in 2010, ocean currents and wind brought debris across the Pacific Ocean to the shores of the Pacific Northwest of the United States. Learn from Leslie Harris about the non-native plant and animal species attached to the debris that hitched a ride to our shores.

Differences in diet among individuals of the same species is increasingly recognized as an important component of diversity in food

webs.