Bearded Fireworm (Hermodice carunculata) – Blue Heron Bridge, Riviera Beach, Fl
I followed these two fireworms for quite a while, snapping pictures of them slipping over and under each other as they went along.
Canon G15, Nauticam NAG15, Fix Neo Blue Dx1200, 65mm Yellow filter
1/100 sec, f/3.5, ISO500