Shane Gross / Arrow crab (Stenorhynchus seticornis) on coral. Eleuthera, Bahamas.

Pascal Kobeh / Yellowline arrow crab (Stenorhynchus seticornis / lanceolatus), Canary Islands

Alex Mustard / Arrow crab (Stenorhynchus seticornis) resting in its home inside a Brown tube sponge (Agelas conifera), Grand Cayman, Cayman Islands, Caribbean Sea.

David Hall / Yellowline arrow crab (Stenorhynchus seticornis) feeding on an unidentified segmented worm, probably a polychaete tube worm (Sabellidae), Dominica, Caribbean, Western Atlantic Ocean.

Claudio Contreras / Yellowline arrow crab (Stenorhynchus seticornis), Cozumel Island, Caribbean Sea, Mexico.

Claudio Contreras / Yellowline arrow crab (Stenorhynchus seticornis), Cozumel Island, Caribbean Sea, Mexico.

Claudio Contreras / Yellowline arrow crab (Stenorhynchus seticornis) with featherstar, Cienaga de Zapata National Park, Matanzas Province, Cuba.