Alex Mustard / RF - High magnification photo of Secretary blenny (Acanthemblemaria maria) in boulder brain coral (Colpophyllia natans). East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. (Th...
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Georgette Douwma / Big-eye fish (Priacanthus hamrur). Egypt, Red Sea.
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Alex Mustard / Harlequin sweetlips (Plectorhinchus chaetodonoides) cleaned by a pair of bluestreak cleaner wrasse (Labroides dimidiatus). South Atoll, Tubbataha Atolls, Tubbataha Reefs Natural Park, Palawan, Philipp...
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Richard Robinson / Blue shark (Prionace glauca) viewed from below, off the coast of Hawke's Bay, New Zealand, February.
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Richard Robinson / Blue shark (Prionace glauca) worked from below with rays of sun, off the coast of Hawke's Bay, New Zealand, February.
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Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) accompanied by pilotfish (Naucrates ductor) as it cruises beneath the surface of the Red Sea, close to Little Brother Island. The Brothers Islands, Egy...
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Alex Mustard / Reticulate stargazer (Uranoscopus sp.) emerging from the sand. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.
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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.
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Jeff Rotman / Windowpane flounder (Scophthalmus aquosus) camouflaged on sandy seabed, Hodgekin's Cove, Massachusetts, USA, Atlantic Ocean.
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Sue Daly / John Dory (Zeus Faber) with Pipefish spawn. Channel Islands, UK, August.
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Juergen Freund / School of Yellow line scads (Selaroides leptolepis). Misool, Raja Ampat, West Papua, Indonesia
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Juergen Freund / Face of a Common lionfish (Pterios volitans) on top of the reef. Lembeh Strait, North Sulawesi, Indonesia
