Taped by WGBH Forum Network, senior scientist John Mandelman visited the New England Aquarium to discuss his research on cod in the New England area and protecting the area's population.

Mandelman talks about why catch and release can be harmful for cod populations and his research tracking where cod are and why overfishing is still a problem (particularly recreationally).

This talk was taped on May 28, 2014 at 7:00 p.m.