<p>From the surface, the teeming ecosystem of an East End bay reveals itself in glimpses: a bluefish breaking the surface; a school of silversides darting through the shallows; or a spider crab moving slowly along the edge of the eelgrass.</p><p>But for Chris Paparo, who has been taking underwater photographs for more than 25 years and is better known as the Fish Guy, the view is decidedly more detailed.</p><p>This Saturday, Mr. Paparo will present a free slide show and lecture, featuring his underwater photography, "An Underwater Journey of Long Island Through the Eyes of a Fishing Biologist," at the office of the Concerned Citizens of Montauk from 11 a.m. to 1 p.m.</p><p>CCOM executive director Jeremy Samuelson said he first learned about Mr. Paparo from his Facebook page, Fish Guy Photos, and was eventually intrigued enough to invite him to speak as part of CCOM's environmental education outreach efforts.</p><p><a href="http://sagharboronline.com/sagharborexpress/page-1/fish-eye-view-highlights-long-islands-life-underwater-29326">Keep reading...</a></p>