Nurse Shark at Night, Nebrius ferrugineus, Felidhu Atoll, Maldives

Nurse Shark at Night, Nebrius ferrugineus, Felidhu Atoll, Maldives

Malabar grouper (Epinephelus malabaricus) and pilot fish, Beqa Lagoon, Viti Levu, Fiji, South Pacific, Pacific

Whaleshark (Rhyncodon typus),looking to head with pilotfish and Scuba Diver, Seychelles, Indian Ocean

Malabar Grouper and Pilotfishes, Epinephelus malabaricus, Gnathanodon speciosus, Ulong Channel, Micronesia, Palau

Whale shark with yellow pilot fishes, Rhincodon thypus, Djibouti, Djibuti, Africa, Afar Triangle, Gulf of Aden, Gulf of Tadjourah

Malabar Grouper and Pilotfishes, Epinephelus malabaricus, Gnathanodon speciosus, Ulong Channel, Micronesia, Palau

Malabar Grouper and Pilotfishes, Epinephelus malabaricus, Gnathanodon speciosus, Ulong Channel, Micronesia, Palau

Loggerhead turtle (Caretta caretta) accompanied by pilotfish (Naucrates ductor) swimming near the surface. Santa Maria Island, Azores, Portugal, Atlantic Ocean

Loggerhead turtle (caretta caretta) accompanied by pilotfish (Naucrates ductor) swimming near the surface. Vulnerable. Santa Maria Island, Azores, Portugal, Atlantic Ocean