Arrow Crab
Stenorhynchus seticornis

f22 @ 1/60 s, Nikonos II w 28mm and Nikon close up lens. Oceanic 2000 flash and Ikelite slave flash

Caribbean Reef Invertebrates and Plants. Dr. Patrick L. Colin. The arrow crab occurs throughout the western Atlantic from North Carolina to Rio de Janeiro, Brazil and in the eastern Atlantic at Madeira, the Canary Islands and Angola.
Frederiksted Pier, St. Croix, U.S. Virgin Islands