Georgette Douwma / Oriental sweetlips (Plectorhinchus vittatus), Maldives, Indian Ocean

Juergen Freund / Snowflake moray eel (Echidna nebulosa) hunting over sea rubble, West Papua, Indonesia.

Juergen Freund / Diver amongst Sergeant major damselfish (Abudefduf vaigiensis) house reef of Miniloc Island Resort, El Nido, Palawan, Philippines. These fish come together densely when bread is thrown into the water...

Juergen Freund / Sergeant major damselfish (Abudefduf vaigiensis), Parrotfish and Wrasses in the house reef of Miniloc Island Resort, El Nido, Palawan, Philippines. These fish come together densely when bread is throw...

Juergen Freund / Snorkeler swims amongst Sergeant major damselfish (Abudefduf vaigiensis) at the house reef of Miniloc Island Resort, El Nido Island, Palawan, Philippines, May 2009. These fish gather in a dense mass w...

Juergen Freund / Sergeant major damselfish (Abudefduf vaigiensis) at the house reef of Miniloc Island Resort, El Nido Island, Palawan, Philippines, May 2009. These fish gather in a dense mass when bread is thrown into...

Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait, with diver behind, in Brighton Sealife Centre, Brighton, England, UK. Model released, not property released

Tim Laman / Lionfish (Pterois) hovering in a Sea Fan in a view looking toward the surface of the water. Misool Island vicinity. Near smaller island of Fiabacet. West Papua, Indonesia, April 2007

Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) with Pilot fish (Naucrates ductor). Tropical West Atlantic Ocean, off Cat Island, Bahamas.

Wild Wonders of Europe / Lundgre / Loggerhead turtle (Caretta caretta) with a shoal of Pilot fish (Naucrates ductor) Pico, Azores, Portugal, June 2009 WWE BOOK. WWE OUTDOOR EXHIBITION. Wild Wonders kids book.

Juergen Freund / Schooling Chevron barracuda (Sphyraena putnamiae / qenie) Indo-pacific

Juergen Freund / Clown anemonefish (Amphiprion percula) amongst anemone tentacles, Indo-pacific

Georgette Douwma / Two Lined sweetlips (Plectorhichus lineatus) swimming over coral, Andaman Sea, Thailand

Juergen Freund / Moorish Idol fish {Zanculs cornutus} Indo-Pacific

Doug Perrine / Zebra / Leopard shark {Stegostoma fasciatum}. Malaysia

Fred Bavendam / Zebra Shark (Stegostoma fasciatum), Andaman Sea, Thailand

Michele Westmorland / Striped Surgeonfish (Acanthurus lineatus) profile portrait, Palau, Micronesia.

Georgette Douwma / Orangestriped triggerfish (Balistapus undulatus) swimming past coral wall covered in invertebrates, Raja Ampat, West Papua, Indonesia

Georgette Douwma / Oriental sweetlips (Plectorhinchus vittatus) with a school of Blueline snappers (Lutjanus kasmira) and a Sabretooth squirrelfish in background, Maldives, Indian Ocean

Georgette Douwma / Oriental sweetlips (Plectorhinchus vittatus) small shoal, Maldives, Indian Ocean

Linda Pitkin / 2020VISION / Male Corkwing wrasse (Crenilabrus melops), Swanage, Dorset, England, UK, May

Linda Pitkin / 2020VISION / Male Corkwing wrasse (Crenilabrus melops), Swanage, Dorset, England, UK, May

Linda Pitkin / 2020VISION / Male Corkwing wrasse (Crenilabrus melops), carrying seaweed to build a nest, Swanage, Dorset, England, UK, May

MYN / Paul Marcellini / Two French grunt (Haemulon flavolineatum) and three smaller White grunt (Haemulon plumieri) Florida, USA, December, Composite image. meetyourneighbours.net project

Juergen Freund / Orange striped triggerfish (Balistapus undulatus) hunting over coral reef, Bali, Indonesia.

Juergen Freund / Zebra dwarf lionfish (Dendrochirus zebra) with pectoral fins extended on seabed, Komodo NP, Indonesia, Indo-pacific.

Juergen Freund / Banded Snake Eel (Myrichthys colubrinus) hunting over seabed, West Papua, Indonesia.

Juergen Freund / Rainford's / Old glory goby (Amblygobius rainfordi) New Ireland, Papua New Guinea.

Juergen Freund / Portrait of Longfin bannerfish (Heniochus acuminatus) Bali, Indonesia, Indo-pacific.

Birgitte Wilms / Zebra Lionfish (Dendrochirus zebra), Solomon Islands

Jeff Rotman / Striped butterflyfish (Chaetodon fasciatus) Sinai Peninsula, Red Sea, Egypt

Jeff Rotman / Lined butterflyfish (Chaetodon lineolatus) and Striped butterflyfish (Chaetodon fasciatus) Sinai Peninsula, Red Sea, Egypt

Jeff Rotman / Striped butterflyfish (Chaetodon fasciatus) in foresground with Checkerboard wrasse (Halichoeres hortulanus) above and Cleaner wrasse below, Sinai Peninsula, Red Sea, Egypt

Jeff Rotman / Threadfin butterflyfish (Chaetodon auriga) Sinai Peninsula, Red Sea, Egypt

Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait, in Brighton Sealife Centre, Brighton, England, UK.

Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait, with diver behind, in Brighton Sealife Centre, Brighton, England, UK. Brighton Aquarium is the world's oldest operating public aquariu...

Alex Mustard / A Zebra / Leopard shark (Stegostoma fasciatum /varium) swimming over a reef at dawn. Sipadan Island, Sabah, Borneo, Malaysia. May

Alex Mustard / Brownbanded bambooshark (Chiloscyllium punctatum) on the seabed at night. Lembeh Strait, Sulawesi, Indonesia.

Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) with Pilot fish (Naucrates ductor) in the open Atlantic Ocean, close to the Bahamas. Near Cat Island, Bahamas.

Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait in Brighton Sealife Centre, Brighton, England, UK.

Georgette Douwma / Brownbanded bamboo shark (Chiloscyllium punctatum), juvenile resting on coral reef, Komodo National Park, Indonesia.

GEORGETTE DOUWMA / Longfin bannerfish (Heniochus acuminatus) Andaman Sea, Thailand

Jeff Rotman / Close up of Pectoral fin of Sohal surgeonfish (Acanthurus sohal) Red Sea, Egypt

Jeff Rotman / Pectoral fin of a Rusty parrotfish (Scarus ferrugineus) Red Sea, Egypt

Jeff Rotman / Close up of Pectoral fin of Sohal surgeonfish (Acanthurus sohal) Red Sea, Egypt

Jeff Rotman / Tail fin of Emperor angelfish (Pomacanthus imperator) Red Sea, Egypt

Jeff Rotman / Tail fin of Emperor angelfish (Pomacanthus imperator) Red Sea, Egypt

GEORGETTE DOUWMA / Two Beaked / Copper-banded butterflyfish (Chelmon rostratus) in coral reef, Indonesia

GEORGETTE DOUWMA / Beaked / Copper-banded butterflyfish (Chelmon rostratus) in coral reef, Indonesia

GEORGETTE DOUWMA / Clearfin lionfish (Pterois radiata), Egypt, Red Sea.

GEORGETTE DOUWMA / Lionfish (Pterois volitans) Egypt, Red Sea.

Georgette Douwma / Two-barred goatfish (Parupeneus bifasciatus) at rest amongst corals and Featherstars. Rinca, Indonesia.

GEORGETTE DOUWMA / Clark's anemonefish (Amphiprion clarkii) with newly laid eggs, Papua New Guinea.

GEORGETTE DOUWMA / Clearfin lionfish (Pterois radiata), Egypt, Red Sea.

GEORGETTE DOUWMA / Lionfish (Pterois volitans), Egypt, Red Sea.

GEORGETTE DOUWMA / Red-banded wrasse (Cheilinus fasciatus). Misool, Raja Ampat, West Papua, Indonesia

Georgette Douwma / Moorish idol (Zanclus cornutus) swimming past coral wall, Rinca, Indonesia

Graham Eaton / Corkwing Wrasse (Symphodus / Crenilabrus melops) swimming through Kelp, Cardigan Bay, Wales, June

Graham Eaton / Corkwing Wrasse (Symphodus / Crenilabrus melops) swimming through Kelp, Cardigan Bay, Wales, June

Georgette Douwma / Two-barred goatfish (Parupeneus bifasciatus) at rest amongst corals and Featherstars. Rinca, Indonesia.

Fred Bavendam / Zebra Lionfish (Dendrochirus zebra) pair, Lembeh Strait, Indonesia

Juergen Freund / Blue striped blenny (Plagiotremus rhinorhynchus) hiding on coral reef in worm hole, Indo-pacific

Juergen Freund / Blue striped blenny (Plagiotremus rhinorhynchus) hiding on coral reef in worm hole, Indo-pacific

Juergen Freund / Schooling Chevron barracuda (Sphyraena putnamiae / qenie). Indo-pacific

Juergen Freund / Blue striped blenny (Plagiotremus rhinorhynchus) hiding on coral reef in worm hole, Indo-pacific

Juergen Freund / Blue striped blenny (Plagiotremus rhinorhynchus) hiding on coral reef in worm hole, Indo-pacific

Pete Oxford / Rainbow runner (Elegatis bipinnulata) off Wolf Island, Galapagos Islands

GEORGETTE DOUWMA / Scissor tail sergeant (Abudefduf sexfasciatus) pair spawning on coral rocks. Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Regal angelfish (Pygoplites diacanthus) Misool, Raja Empat, West Papua, Indonesia.

Graham Eaton / Perch (Perca fluviatilis) Lancashire, UK, December

Graham Eaton / Perch (Perca fluviatilis) Lancashire, UK, December

Graham Eaton / Perch (Perca fluviatilis) Lancashire, UK, December

GEORGETTE DOUWMA / Eight-banded butterflyfish (Chaetodon octofasciatus) Solomon Islands.

GEORGETTE DOUWMA / Black-tail dascyllus (Dascyllus melanurus) amongst Blue coral (Heliopora coerulea). Raja ampat, West Papua, Indonesia

GEORGETTE DOUWMA / Chevroned butterflyfish (Chaetodon trifascialis). Raja Ampat, West Papua, Indonesia

GEORGETTE DOUWMA / Spot-banded butterflyfish (Chaetodon punctatofasciatus). Raja Ampat, West Papua, Indonesia.

Juergen Freund / Zebra shark (Stegostoma fasciatum) newly hatched from egg case, Indo-pacific

Juergen Freund / Zebra shark (Stegostoma fasciatum) newly hatched from egg case, Indo-pacific

GEORGETTE DOUWMA / Crown squirrelfish (Sargocentron diadema) shoal, Egypt, Red Sea

GEORGETTE DOUWMA / Striped surgeonfish (Acanthurus lineatus) Andaman Sea, Thailand

GEORGETTE DOUWMA / Crown squirrelfish (Sargocentron diadema) shoal, Egypt, Red Sea

GEORGETTE DOUWMA / Striped surgeonfish (Acanthurus lineatus) Andaman Sea, Thailand

GEORGETTE DOUWMA / Oriental sweetlips (Plectorhinchus vittatus) with a Bluestreak cleaner wrasse (Labroides dimidiatus). Andaman Sea, Thailand

Jeff Rotman / Aquarium Scientists inject antibiotic into Zebra shark (Stegostoma fasciatum) in aquarium, Manly Oceanworld, Sydney, New South Wales, Australia.

Jane Burton / Longfin bannerfish / Wimplefish / Pennant coralfish {Heniochus acuminatus} captive, from Indo-Pacific

Doug Perrine / Zebra lionfish {Dendrochirus zebra} in defensive posture with pectoral fins spread wide and venomous dorsal spines erect, Tulamben Bay, Bali, Indonesia

GEORGETTE DOUWMA / Two Yellow-ribbon sweetlips (Plectorhinchus polytaenia), Bali, Indonesia

Georgette Douwma / Vagabond butterflyfish (Chaetodon vagabundus) swimming past soft corals and featherstars, Rinca, Indonesia

Tim Laman / Orange anemonefish (Amphiprion sandaracinos) Wakatobi Islands, Sulawesi, Indonesia.

GEORGETTE DOUWMA / Regal angelfish (Pygoplites diacanthus) on coral reef, Red Sea, Egypt

Georgette Douwma / Regal angelfish (Pygoplites diacanthus) feeding on sponge. Red Sea, Egypt

Constantinos Petrinos / Pair of Goby {Stonogobiops xanthorhinica} and {Stonogobiops nematodes} Sulawesi, Indonesia.