Fish species including alewife, blueback herring, shad and American eel all migrate between fresh and salt water habitats. An upcoming NOAA study in Maine will attempt to better understand these migrations because commercial salt-water fish such as Atlantic cod and striped bass depend on the migrating fish for food.
Sampling will occur in coastal waters off of the Kennebec and Penobscot Rivers starting this summer. Local fishermen have been hired to help crew the Gloria Michelle/ (pictured here courtesy of NOAA) survey the waterways.
“Determining the ecological effects that changes in the abundance of ....