Gary Bell/ Oceanwide / Sea Goldie (Pseudanthias squamipinnis) school in coral reef with feather stars, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Scarlet Cleaner Shrimp (Lysmata amboinensis) cleaning female Stocky Anthias (Pseudanthias hypselosoma), Tulamben, Bali, Indonesia

Alex Mustard / Oriental sweetlips (Plectorhinchus vittatus) pair. South Ari Atoll, Madlives. Indian Ocean.

Jordi Chias / Nassau grouper (Epinephelus striatus) on a coral reef, Little Cayman Island, Cayman Islands, Caribbean.

Jordi Chias / Oriental sweetlips (Plectorhinchus vittatus) South Ari Atoll, Maldives, Indian Ocean.

Alex Mustard / Nassau grouper (Epinephelus striatus) yawning on a coral reef drop off. San Salvador island, Bahamas. Bahamas Sea, Tropical West Atlantic Ocean.

Alex Mustard / Colourful reef scene with Leather corals (Sarcophyton sp.), Soft corals (Dendronephthya sp.) Seafans (Melithea sp.) and fish, including Magenta slender anthias (Luzonichthys waitei) and Scalefin anthi...

Alex Mustard / Saddleback anemonefish (Amphiprion polymnus) in anemone home, Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Nassau grouper (Epinephelus striatus) watched by a diver on a coral reef. San Salvador island, Bahamas. Bahamas Sea, Tropical West Atlantic Ocean.

Alex Mustard / Busy coral reef community feeding on plankton, with Scalefin anthias (Pseudanthias squamipinnis), Soft corals (Dendronephthya sp.) and Fire corals (Millepora dichotoma), making up classic Red Sea scen...

Alex Mustard / Busy coral reef community feeding on plankton, with Scalefin anthias (Pseudanthias squamipinnis), Soft corals (Dendronephthya sp.) and Fire corals (Millepora dichotoma) Ras Mohammed Marine Park, Sinai...

Alex Mustard / Vibrant Red Sea reef scene, with orange female Scalefin anthias (Pseudanthias squamipinnis) swarming in front of Fire coral (Millepora dichotoma) feeding on plankton brought to the reef by currents. R...

Alex Mustard / Portrait of female Scalefin anthias (Pseudanthias squamipinnis) swimming in open water, Ras Katy. Sharm El Skeikh, Sinai, Egypt. Gulf of Aqaba, Red Sea.

Alex Mustard / Male Scalefin anthias (Pseudanthias squamipinnis) swimming in open water, Ras Katy, Sharm El Sheikh, Sinai, Egypt. Gulf of Aqaba, Red Sea

Alex Mustard / Portrait of male Scalefin anthias (Pseudanthias squamipinnis) swimming in open water, Ras Katy. Sharm El Skeikh, Sinai, Egypt. Gulf of Aqaba, Red Sea.

Alex Mustard / Portrait of male Scalefin anthias (Pseudanthias squamipinnis) swimming in open water, to feed on plankton. Ras Katy, Sinai, Egypt. Gulf of Aqaba, Red Sea.

Alex Mustard / Scalefin Anthias (Pseudanthias squamipinnis) swarm over coral reef, with Fire coral (Millepora dichotoma) in the Red Sea in the morning. Yolanda Reef, Ras Mohammed Marine Park, Sinai, Egypt. Gulf of A...

Georgette Douwma / Lyretail anthias / Goldies (Pseudanthias squamipinnis) over coral reef with soft corals (Dendronephthya sp) Egypt, Red Sea.

Alex Mustard,Alex Mustard / A portrait of a Mediterranean anthias (Anthias anthias) against open water. Secca Del Papa, Tavolara Marine Protected Area, Sardinia, Italy. Mediterranean Sea.

Michael Pitts,Michael Pitts / Coral wall with Anthiinae schooling fish, Red Sea

Georgette Douwma / Barrel Sponge (Xestospongia testudinaria) on coral reef with soft corals (Scleronephthya sp), gorgonian and Lyretail anthias (Pseudanthias squamipinnis). Komodo National Park, Indonesia.

Georgette Douwma / Lyrtetail anthias (Pseudanthias squamipinnis) in water column with Peach anthias (Pseudanthias dispar) in background. Indonesia, October

Roberto Rinaldi / Wreck of crude oil super-tanker "Amoco Milford Haven", populated by shoals Swallowtail anthias (Anthias anthias) and Bogues (Boops boops). The tanker sank on April 14th, 1991 after three days of fire....

Georgette Douwma / Lyretail anthias / Goldies (Pseudanthias squamipinnis) on coral reef with soft corals, Red Sea, Egypt

Georgette Douwma / Lyretail anthias / Goldies (Pseudanthias squamipinnis) female with fire coral, Red Sea, Egypt

Wild Wonders of Europe / Sá / Shoal of Anthias, Deserta Grande, Desertas Islands, Madeira, Portugal, August 2009,

Wild Wonders of Europe / Banfi / Mediterranean fairy basslet (Anthias anthias) on artificial reef, Larvotto Marine Reserve, Monaco, Mediterranean Sea, July 2009

Georgette Douwma / Lyretail anthias or Goldie (Pseudanthias squamipinnes) male being cleaned by a Cleaner wrasse (Labroides dimidiates). Rinca, Indonesia

Georgette Douwma / Emperor angelfish (Pomacanthus imperator) with Lyretail anthias / Goldies (Pseudanthias squamipinnis). Red Sea, Egypt (Digital composite)

Georgette Douwma / Coral reef scenic with waves and Anthias fish, Eygpt, Red Sea

Georgette Douwma / Coral reef scenic with waves and Anthias fish, Eygpt, Red Sea

Chris Newbert / Squarespot Anthias (Pseudanthias pleurotaenia) female 50 feet deep, Papua New Guinea

Chris Newbert / Soft Coral (Dendronephthya sp) outcroppings and Basslet (Pseudanthias sp), Red Sea, Egypt

Chris Newbert / Sponge (Latrunculia magnifica) surrounded by Basslet (Pseudanthias sp) and Soft Coral (Dendronephthya sp), Jackson Reef, Red Sea

Fred Bavendam / Sea Goldie (Pseudanthias squamipinnis) group feeding in the currents on a steep slope with Soft Corals, Crinoids and Gorgonians, Kimbe Bay, Papua New Guinea

Georgette Douwma / Coral reef landscape. Shallow reef with Anthias and wave. Red Sea, Egypt, North-Africa

Georgette Douwma / Coral reef scenery with orange Scalefin anthias fish {Pseudanthias squamipinnis} Red Sea, Eygpt

Carine Schrurs / Coral reef scenic with Barrel sponges {Xestospongia testudinaria}, Crinoids {Crinoidea}, Anthias fish Batangas, Philippines. Indo-Pacific

Alex Mustard / Scalefin anthias (Pseudanthias squamipinnis) male with a long exposure. Ras Katy, Sharm El Shiekh, Sinai, Egypt. Red Sea. Commended in the GDT Photography competition 2019.

Alex Mustard / A colourful coral pinnacle, with orange scalefin anthias (Pseudanthias squamipinnis) swarming over red and orange soft corals (Dendronephthya sp. and Scleronephthya sp.) and hard corals, in a current....

Alex Mustard / Yellow cabbage coral (Turbinaria reniformis) growing on a coral reef, surrounded by scalefin anthias: Pseudanthias squamipinnis. Ras Mohammed National Park, Sinai, Egypt. Red Sea

Alex Mustard / Colourful coral reef scene with Scalefin anthias (Pseudanthias squamipinnis), soft corals (Dendronepthya sp.) and hard corals (Acropora sp.). Ras Mohammed National Park, Sinai, Egypt. Red Sea

Alex Mustard / Colourful coral reef wall, with orange Scalefin anthias (Pseudanthias squamipinnis) swarming over red soft corals (Dendronephthya sp.) in a current. Ras Mohammed National Park, Sinai, Egypt. Red Sea

Alex Mustard / Threadfin anthias (Pseudanthias huchti) males locking jaws as they fight over territory on a coral reef. Dauin, Dauin Marine Protected Area, Dumaguete, Negros, Philippines. Bohol Sea, tropical west Pa...

Alex Mustard / Squarespot anthias (Pseudanthias pleurotaenia) male on a coral reef. Anilao, Batangas marine protected area, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Reef manta (Mobula alfredi) visiting a cleaning station on a coral reef with a school of Onespot snappers (Lutjanus monostigma), Oriental sweetlips (Plectorhinchus vittatus) and Sabre squirrelfish (Sa...

Georgette Douwma / Kaleidoscopic image of soft corals (Dendronephthya sp) and Lyretail anthias (Pseudanthias squamipinnis), Egypt, Red Sea.

Shane Gross / Nassau grouper (Epinephelus striatus) juvenile sheltering in Red sponge (Porifera sp) colony. Eleuthera, Bahamas.

Magnus Lundgren / Wild Wonders of China / Sea goldie (Pseudanthias squamipinnis) male, Kenting National Park, Hengchun Peninsula, Taiwan

Magnus Lundgren / Wild Wonders of China / Purple queen anthias (Pseudanthias tuka) male, Green Island, a small volcanic island in the Pacific Ocean , Taiwan

Gary Bell/ Oceanwide / Red-cheeked Anthias (Pseudanthias huchtii) school in reef, Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Sea Goldie (Pseudanthias squamipinnis) school in coral reef with feather stars, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Sea Goldie (Pseudanthias squamipinnis) school in coral reef with with feather stars, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Sea Goldie (Pseudanthias squamipinnis) school in coral reef with feather stars, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Stocky Anthias (Pseudanthias hypselosoma) males, Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Stocky Anthias (Pseudanthias hypselosoma) males, Great Barrier Reef, Australia

Alex Mustard / Large reef scene on the current exposed face of a coral reef, with seafans (Melithaea sp.), soft corals (Dendronephthya spp.), sponges, coral grouper (Cephalopholis miniata), anthias, damselfish and m...

Juergen Freund / Saddleback clownfish (Amphiprion polymnus) surrounded by marine trash around its anemone home, Sulawesi, Indonesia. November.

David Fleetham / Saddleback clownfish / Yellowfin anemonefish (Amphiprion polymnus), female, breeding male and non-breeding males with host Leathery anemone (Heteractis crispa). Philippines.

Alex Mustard / Diver explores a colourful coral reef with soft corals (Dendronephthya sp.) and Scalefin anthias (Pseudanthias squamipinnis). Ras Za'atar, Ras Mohammed National Park, Sinai, Egypt. Red Sea

Alex Mustard / Pair of Scalefin anthias (Pseudanthias squamipinnis) spawning at dusk, male behind female. Ras Katy, Sharm El Shiekh, Sinai, Egypt. Red Sea

Alex Mustard / Scalefin anthias (Pseudanthias squamipinnis) male photographed with a long exposure. Ras Katy, Sharm El Shiekh, Sinai, Egypt. Red Sea

Alex Mustard / Diver exploring a colourful coral reef with soft corals (Dendronephthya sp.) and Scalefin anthias ( Pseudanthias squamipinnis). Ras Za'atar, Ras Mohammed National Park, Sinai, Egypt. Red Sea

Georgette Douwma / Gorgonian sea fan (Melithaea sp.) with Lyretail anthias (Pseudanthias sqamipinnis). Similan Islands, Andaman Sea, Thailand

Georgette Douwma / Kaleidoscopic image of Coral reef scenery with gorgonian, soft corals and Lyretail anthias (Pseudanthias squamipinnis). Rinca, Komodo National Park, Indonesia.

David Fleetham / Stocky anthias (Pseudanthias hypselosoma) displaying for a harem, Kandavu, Fiji.

David Fleetham / Alconarian and Gorgonian coral with schooling Anthias (Anthias) Fiji.

David Fleetham / Biclor Anthias (Pseudanthias bicolor), a common member of the family. Maui, Hawaii.

David Fleetham / Hard and soft coral, schooling anthias and manta rays all come together in this Indonesian reef scene. Several images were digitally combined for this panorama.

David Fleetham / Schooling Anthias over coral reef, Philippines.

David Fleetham / Bicolor anthias (Pseudanthias bicolor), Hawaii.

David Fleetham / Bicolor anthias (Pseudanthias bicolor), Hawaii.

David Fleetham / Peach / Fairy anthias / basslet (Pseudanthias dispar) Tubbataha Reef National Park, Philippines.

David Fleetham / Juvenile female Lyretail anthias (Pseudanthias squamipinnis), Bali, Indonesia.

David Fleetham / Moray eel (Gymnothorax breedeni) and anthias (Luzonichthys waitei), Yap, Micronesia.

Alex Mustard / Flame anthias (Pseudanthias ignitus), male displaying fins whilst courting female. South Ari Atoll, Maldives. Indian Ocean.

Alex Mustard / Oriental sweetlips (Plectorhinchus vittatus) schooling above coral reef. Lankan Island, North Male Atoll, Maldives. Indian Ocean.

Richard Robinson / Hawk Anthias (Serranocirrhitus latus) at Vatoa Island also known as Turtle Island by Captain Cook, Lau Island Group, Fiji.

Richard Robinson / Painted anthias (Pseudanthias pictilis) male at Vautoa Ono, Lau Island Group, Fiji.

Richard Robinson / Painted anthias (Pseudanthias pictilis) male at Vautoa Ono, Lau Island Group, Fiji.

Richard Robinson / Painted anthias (Pseudanthias pictilis) female (below) and male at Vautoa Ono, Lau Island Group, Fiji.

Richard Robinson / Painted anthias (Pseudanthias pictilis) female (left) and male at Vautoa Ono, Lau Island Group, Fiji.

Richard Robinson / Painted anthias (Pseudanthias pictilis) female at Vautoa Ono, Lau Island Group, Fiji.

Richard Robinson / Bridled bream (Scolopsis bilineatus) Ono-i-Lau / Ono-i-Tonga, Lau Island Group, Fiji.

Linda Pitkin / Coral reef with Anthias fish (Pseudanthias squamipinnis), and soft corals, (Dendronephthya sp.) Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.

Linda Pitkin / Coral reef with Anthias fish (Pseudanthias squamipinnis) and Twotone chromis (Chromis dimidiata) around Yellow scroll coral (Lettuce coral) (Turbinaria reniformis). With diver Jackson Reef, Straits...

Linda Pitkin / Coral reef with Anthias fish (Pseudanthias squamipinnis) and Twotone chromis (Chromis dimidiata) around Yellow scroll coral (Lettuce coral) (Turbinaria reniformis) Jackson Reef, Straits of Tiran, R...

Linda Pitkin / Coral reef with Anthias fish (Pseudanthias squamipinnis), and Fire coral (Millepora dichotoma) Anemone City, Ras Mohammed National Park, Egypt, Red Sea.

Linda Pitkin / Coral reef with Anthias fish (Pseudanthias squamipinnis), and Fire coral (Millepora dichotoma) Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.

Linda Pitkin / Anthias fish (Pseudanthias squamipinnis), by Fire coral (Millepora dichotoma) and soft coral, on coral reef, Shark Reef to Jolande Reef, Ras Mohammed National Park, Egypt, Red Sea.

Linda Pitkin / Anthias fish (Pseudanthias squamipinnis), by Fire coral (Millepora dichotoma) on coral reef, Shark Reef to Jolande Reef, Ras Mohammed National Park, Egypt, Red Sea.

Linda Pitkin / Yellowbar angelfish (Pomacanthus maculosus) on coral reef, with Anthias (Pseudanthias squamipinnis) Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.

Linda Pitkin / Stony coral (Porites sp.) with Anthias (Pseudanthias squamipinnis) Ras Ghozlani, Ras Mohammed National Park, Egypt, Red Sea.