Aquarium unveils TV ads ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Globe Staff illustration/istockphoto The New England Aquarium's new high-def TV spots highlight the new tank. The ads are the first time the aquarium has gone on TV to promote itself since the 1970s. Extreme details are captured with high-speed cameras. David L. Ryan/ Globe Staff The aquarium's new 200,000-gallon tank, as seen from above. Brian Skerry The aquarium's new tank, as seen from below.