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Heron Island and Wistari reefs (Capricornia Cays National Marine Park, Queensland Australia)

Heron Island, Heron Reef (on right) and Wistari Reef (on left). Note size of island relative to reef. (photo from Google Earth)

green turtle (Chelonia mydas)

The coral Acropora sp.

Wistari Reef at low tide

Blue christmas tree worm (Spirobranchus giganteus)

Coral Rabbitfish (Siganus corallinus)

Red Bass (Lutjanus bohar)

Blackspotted Moray Eel (Gymnothorax favagineus) on Wistari Reef

Blacktip Reef Shark (Carcharhinus melanopterus) in harbor of Heron Island

Surf Parrotfish (Scarus rivulatus), Line Butterflyfish (Chaetodon lineolatus), Whitley's Sergeants (Abudefduf whitleyi) and the Lemon Damsel (Pomacentrus moluccensis)

The Faviid coral Platygyra sp.

Coral Trout (Plectropomus leopardus) with a Striped Cleaner Wrasse (Labroides dimidiatus)

The coral Acropora sp.

Coral monster hoarding algae (Platygyra sp.)

The Variegated Sea Cucumber (Stichopus variegatus) on Wistari Reef

School of Whitemargin Unicornfish (Naso annulatus) with one Red Bass (Lutjanus bohar)

Cup coral (Fungia sp.)

Spotted Eagle Ray (Aetobatus narinari) in harbor of Heron island

Eroded rocks on Wistari Reef

School of juvenile Spangled Emperors (Lethrinus nebulosus) in Shark Bay on Heron Island

Whitley's Sergeants (Abudefduf whitleyi) and one Hussar (Lutjanus adetii)

The Black-fringed Sea Cucumber (Holothuria leucospilota) coming out at sunset on Wistari Reef

Coral trout (Plectropomus leopardus)

Colorful mantle of a coral scallop (Pedum spondyloidum) buried in the coral

green turtle (Chelonia mydas) relaxing on reef

Sea urchin (possibly an Echinometrid) burrowed into coral on Wistari Reef

Coral trout (Plectropomus leopardus) showing off its camouflage mode

Small Giant clam (Tridacna maxima)

Yellow Shrimp Goby (Cryptocentrus cinctus) at its burrow

The Faviid coral Favia sp. or Favites sp.

Many-spotted Sweetlip (Plectorhincus chaetodonoides)

Epaulette shark (Hemiscyllium ocellatum) from Wistari Reef

Blue Sea Star (Linckia laevigata) on the north reef of Heron Island

Red-bellied Fusilier (Caesio cuning) and others over reef

The Faviid coral Favia sp. or Favites sp.

Variety of coral on Wistari Reef edge

Soft coral on Wistari Reef

North beach of Heron Island during a storm

North reef flat of Heron Island at low tide

The nudibranch Chromodoris coi

Two Surf Parrotfish (Scarus rivulatus), Lined Butterflyfish (Chaetondon lienolatus), Minifin Parrotfish (Scarus altipinnis), and head of a Hussar (Lutjanus adetii)

Buff-banded Rail (Gallirallus philippensis) helping itself to conference snacks

Shark Mackerel (Grammatorcynus bicarinatus) swimming off edge of reef

Red-eyed reef crab (Eriphia smithii) at low tide on Wistari Reef

Common Shovelnose Ray (Rhinobatos batillum) in Shark Bay on Heron Island

Soft coral

Low tide on north beach of Heron Island

Small Giant Clam (Tridacna maxima)

School of Orbicular Batfish (Platax orbicularis)

Sponge

The New Caledonian Seastar (Nardoa novacaledoniae)

Sunset on Heron Island near winter solstice

green turtle (Chelonia mydas) heading towards open ocean

(All photographs by Sonke Johnsen; contact for rights)

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