“If it’s breaking in the ocean, it’s on The Daily Catch. Covering all water news from across the globe: rivers, lakes, oceans.”

With a limberness that defies his 69 years, Frank Mirarchi heaves himself over the edge of a concrete wharf and steps out onto a slack, downward sloping dock line bouncing 20 feet above the lapping waters near Scituate, Mass. He shimmies laterally along the pylons, steadying himself with a grip on some steel rigging, until more…