Georgette Douwma / Green turtle (Chelonia mydas) with two large remoras (Echeneis naucrates) attached to its carapace, at rest on artificial reef. Mabul, Malaysia.

Pascal Kobeh / Close-up of the head of a White tip shark (Triaenodon obesus) laying on the bottom with a Remora (Echeneis naucrates) on its head, Sulu sea, Philippines

Doug Perrine / Dugong or Sea cow (Dugong dugon) with a Remora (Echeneis naucrates) attached to its underside, Calauit Island, off Busuanga, Calamian Islands, Palawan, Philippines.

Pascal Kobeh / Close-up of Horn-nosed / Largenose boxfish (Ostracion rhinorhynchos) with a striped remora (Echeneis naucrates) on its head at night, Sulu Sea, Philippines

Pascal Kobeh / Close-up of Horn-nosed / Largenose boxfish (Ostracion rhinorhynchos) with a striped remora (Echeneis naucrates) on its head at night, Sulu Sea, Philippines

Pascal Kobeh / Close-up of Horn-nosed / Largenose boxfish (Ostracion rhinorhynchos) with a striped remora (Echeneis naucrates) on its head at night, Sulu Sea, Philippines

Linda Pitkin / Whale shark (Rhincodon typus), with remoras (Echeneis naucrates), Mai Mai, between Triton Bay and Kaimana, West Papua, Indonesia

David Fleetham / Remora (Echeneis naucrates) free swimming, Beqa Lagoon, Fiji

David Fleetham / Remora (Echeneis naucrates) free swimming shoal, Beqa Lagoon, Fiji

Alex Mustard / Lemon shark (Negaprion brevirostris) accompanied by Remoras (Echeneis naucrates) in shallow water. Little Bahama Bank. Bahamas. Tropical West Atlantic Ocean.

Pete Oxford / Sharksucker (Echeneis naucrates) Ambergris Caye, Belize.

Pete Oxford / Nurse Shark (Ginglymostoma cirratum) and Sharksucker (Echeneis naucrates) Halfmoon Caye. Lighthouse Reef Atoll, Belize.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), grazing on a granite boulder, with a small Remora (Echeneis naucrates) attached. Andaman Sea, Thailand.

Pascal Kobeh / Blackspotted stingray (Taeniurops meyeni) with a remora (Echeneis naucrates) attached to its belly swimming in the open water with a diver in the background. Ari Atoll, Maldives, Indian Ocean.

Georgette Douwma / Green turtle (Chelonia mydas) with two remoras (Echeneis naucrates) attached to its carapace, at rest on artificial reef. Mabul, Malaysia.

Pascal Kobeh / Blackspotted stingray (Taeniura melanospilos) and Striped remora (Echeneis naucrates) laying on sandy sea bed, Maldives. Indian Ocean.

Pascal Kobeh / White tip shark (Triaenodon obesus) resting on sea floor with a remora (Echeneis naucrates) attached to its back, Maldives. Indian Ocean.

Pascal Kobeh / Blacktip sharks (Carcharhinus limbatus) with Remoras (Echeneis naucrates) attached to some of them, Kwazulu-Natal, South Africa. Indian Ocean.

Pascal Kobeh / Green turtle (Chelonia mydas) on sea floor with Remora (Echeneis naucrates) on its shell / carapace, Mayotte. Indian Ocean.

Pascal Kobeh / Grey reef shark (Carcharhinus amblyrhinchos) in open water with a Striped remora (Echeneis naucrates) under its head, Palau. Philippine Sea.

Pascal Kobeh / Grey reef sharks (Carcharhinus amblyrhinchos) in open water. The shark on foreground has a Striped remora (Echeneis naucrates) under its head, Palau. Philippine Sea.

Pascal Kobeh / Grey reef sharks (Carcharhinus amblyrhinchos) in open water with a Striped remora (Echeneis naucrates) under its head, Palau. Philippine Sea.

Pascal Kobeh / Grey reef sharks (Carcharhinus amblyrhinchos) in open water. The shark on foreground has a Striped remora (Echeneis naucrates) under its head, Palau. Philippine Sea.

Pascal Kobeh / Young boy snorkeling at the surface near a green turtle (Chelonia mydas) swimming up to the surface to breath with a remora (Echeneis naucrates) under its body, Egypt. Red Sea. June 2010.

Pascal Kobeh / Young boy snorkeling at the surface near a green turtle (Chelonia mydas) swimming up to the surface to breath with a remora (Echeneis naucrates) under its body, Egypt. Red Sea. June 2010.

Pascal Kobeh / Young boy snorkeling at the surface near a green turtle (Chelonia mydas) swimming up to the surface to breath with a remora (Echeneis naucrates) under its body, Egypt. Red Sea. June 2010.

Pascal Kobeh / Swimming green turtle (Chelonia mydas) with a remora (Echeneis naucrates) under its body, Egypt. Red Sea.

Pascal Kobeh / Green turtle (Chelonia mydas) on sea floor with Remora (Echeneis naucrates) on its shell / carapace, Mayotte. Indian Ocean.

Pascal Kobeh / Green turtle (Chelonia mydas) on sea floor with Remora (Echeneis naucrates) on its shell / carapace, Mayotte. Indian Ocean.

Franco Banfi / Remoras (Echeneis naucrates) on Blue-spotted puffer (Arothron caeruleopunctatus) Cendana Jetty, Waigeo island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Green turtle (Chelonia mydas) on seabed feeding on Seagrass (Halophila stipulacea) with Remora fish (Echeneis naucrates), Abu Dabbab Bay, Marsa Alam, Egypt, Red Sea. Endangered.

Linda Pitkin / Green turtle (Chelonia mydas) resting on seabed feeding on Seagrass (Halophila stipulacea) with a Remora (Echeneis naucrates) on its back and shoals of small fish swimming around, Marsa Alam, Egypt, R...

Russell Laman / Remoras (Echeneis naucrates) swimming on underside of Reef manta (Mobula alfredi), Raja Ampat, Indonesia, Pacific Ocean.

David Fleetham / Two Sharksuckers / Remora (Echeneis naucrates) clinging to the shell of a resting Green sea turtle (Chelonia mydas), Sipadan, Malaysia, Celebes Sea. Endangered.

David Hall / Caribbean reef shark (Carcharhinus perezi) with a Remora (Echeneis naucrates) alongside swimming over seabed, Bimini, Bahamas, Caribbean Sea.

Pascal Kobeh / A Giant guitarfish / Whitespotted wedgefish (Rhynchobatus djiddensis) partially buried in the sand with two remoras (Echeneis naucrates) above it, Indian Ocean, Maldives.

David Fleetham / Remora / Shark sucker (Echeneis naucrates) free swimming, Beqa Laggoon, Fiji.

Sirachai Arunrugstichai / Green sea turtle (Chelonia mydas) with a pair of Live sharksucker (Echeneis naucrates) swimming along the reef drop-off at Bunaken Island, Bunaken National Marine Park, North Sulawesi, Indonesia.

Shane Gross / Green sea turtle (Chelonia mydas) resting whilst feeding on Tapegrass (Halophila stipulacea) in seagrass bed, two Remora fish (Echeneis naucrates) waiting for scraps. Marsa Alam, Egypt.

Shane Gross / Green sea turtle (Chelonia mydas) feeding on Turtlegrass (Halophila stipulacea), Remora fish (Echeneis naucrates) scavenging remnants. Marsa Alam, Egypt.

Sergio Hanquet / Sharksucker remora (Echeneis naucrates) attached to a ray, Tenerife, Canary Islands.

Shane Gross / A tiny (3cm) remora fish or shark sucker (Echeneis naucrates) in the Sargasso Sea, Atlantic ocean, International Waters.

Martin Camm / Carwardine / Sharksucker (Echeneis naucrates) adult Sucker on top of head No more than 15 illustrations by Martin Camm, Rebecca Robinson and/or Toni Llobet to be used in a single project or book edition,...