Guy Edwardes / Great peacock anemone (Anemone pavonia), Meteora, Greece.

Ingo Arndt / Red-footed Booby (Sula sula rubripes) in flight, returning to breeding colony after sunset, Christmas Island, Indian Ocean, Australian Territory, November.

Georgette Douwma / Big-eye fish (Priacanthus hamrur). Egypt, Red Sea.

Alex Mustard / Group of predators hunting together, in an example of 'Nuclear foraging'. The Moray eel (Gymnothorax javanicus) flushes out prey, and is followed by a Napolean wrasse (Cheilinus undulatus) and a Bluef...

Alex Mustard / Large whip goby (Bryaninops amplus) with a parasitic copepod (with two trailing egg ribbons) perched on Red whip coral. Whale Rock. Fiabacet Islands, Misool, Raja Ampat, West Papua, Indonesia. Ceram S...

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.