Pascal Kobeh / Hawksbill turtle (Eretmochelys imbricata) feeding on a Leathery barrel sponge (Geodia neptuni), San Salvador Island / Colombus Island, Bahamas. Caribbean.

Pascal Kobeh / Hawksbill turtle (Eretmochelys imbricata) feeding on a Leathery barrel sponge (Geodia neptuni), San Salvador Island / Colombus Island, Bahamas. Caribbean.

Pascal Kobeh / Hawksbill turtle (Eretmochelys imbricata) feeding on a Leathery barrel sponge (Geodia neptuni), San Salvador Island / Colombus Island, Bahamas. Caribbean.

Alex Mustard / Barrel sponge (Geodia neptuni) spawning during the day, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Pete Oxford / Leathery Barrel Sponge (Geodia neptuni) Jardines de la Reina National Park, Cuba, Caribbean

Doug Perrine / Barrel sponge {Geodia neptuni} Cayman Brac, Cayman Island, Caribbean