Dogfish are among the most ancient animals with pressurized circulatory systems. They are believed to have evolved 400 million years ago.
(Norbert Wu/Getty Images)
A primitive fish lures scientists to Maine
Dogfish are among the most ancient animals with pressurized circulatory systems. They are believed to have evolved 400 million years ago.
(Norbert Wu/Getty Images)
BAR HARBOR, Maine - The Mount Desert Island Biological Lab has been perched on the Maine coast for nearly a century, in a sort of eddy beside the main tourist route to Bar Harbor. (Full article: 927 words)
This article is available in our archives:
Globe Subscribers
FREE for subscribers
Subscribers to the Boston Globe get unlimited access to our archives.
Not a subscriber?
Non-Subscribers
Purchase an electronic copy of the full article. Learn More
- $9.95 1 month archives pass
- $24.95 3 months archives pass
- $74.95 1 year archives pass
