Underwater camera keeps an eye on Atka mackerel

Atka mackerel caught near Homer, Alaska. (Creative Commons photo by wikimedia.org.
Counting Atka mackerel became really important when Steller sea lions were declared endangered in 1997, according to National Marine Fisheries Service Biologist Suzanne McDermott.http://media.aprn.org/2017/ann-20170721-05.mp3“We learned that Atka mackerel are their main food item,” McDermott said. “That’s when we really started looking at them in relation to Steller sea lions.”
McDerm