They often follow fishing boats for scraps, rising a real racket. Rock crabs are often caught in lobster traps. They are common food of gulls. Green sea urchins have spines for protection. They are found in deep tidepools and deep water.
Northern starfish have five rays and can regenerate lost body parts.
They generally eat mollusks. If you pay close attention during your visit, you will probably get a chance to see many of these species. Most fishermen agree that Mount Desert fishing rates fair to poor, especially during July and August. However, if you want to give it a go, freshwater fishing requires a Maine state fishing license for residents 16 years or older and non-residents 12 years or older. Non-resident licenses can be purchased for the season or for shorter periods in town offices and some local businesses.