After 67 years mongering fish to the Alexander family out of their Wellesley shop & restaurant, the folks behind Captain Marden's have launched a roaming seafood shack, testing the waters last year in the Western 'burbs before finally rolling into the city this month. You can almost smell the salt in the air. Search all you'd like, but there are no clever "In Cod We Trust" graphics anywhere to be found. Have a quick glance at the day's specials before... ... starting off with some apps, like this handsome cup of New England clam chowder. Shrimp Cocktail! No longer just for fancy people to eat at those fancy indoor weddings! Go fried with fish & chips, the clam plate, or this large crab cake, which comes on a "fresh Hazel's bakery roll" & sided by fries and slaw... ... or, like the Alexanders, keep it light and beachy with this creamy, celery-embellished lobster roll, then get in a huge fight after.