On the dock of Great Bay Marine, there’s what looks like a little raft tied up, but get close and you hear the hum of a water pump. This is where Fat Dog Oyster Company is based.

Reporter Sam Evans-Brown recently spent a day with Jay Baker and Alex Boeri of Fat Dog for his story on the boom in oystering in N.H.'s Great Bay Estuary. You can check out more of his photos and sound in this 2-minute video: