Typically, they are considered safe havens for small Pacific cod—areas where the fish go at around 3 months old to eat and grow as much as they can during their first summer and fall.

Cod liver oil is derived from the liver of codfish, typically Atlantic or Pacific cod, Dr. Zachary Mulvihill, a physician with the Integrative Health and Wellbeing Program at NewYork-Presbyterian ...

Typically, they are considered safe havens for small Pacific cod -- areas where the fish go at around 3 months old to eat and grow as much as they can during their first summer and fall.