Alex Mustard / Schooling Bannerfish (Heniochus diphreutes) and Yellowback fusiliers (Caesio xanthonota) diving down close to the coral reef as predators approach, North Ari Atoll, Maldives. Indian Ocean.
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David Fleetham / Coral reef with Slate pencil sea urchins (Heterocentrotus mammillatus), Pennantfish (Heniochus diphreutes) and Pyramid butterflyfish (Hemitaurichthys polylepis) and a diver holding a light, Hawaii. Mo...
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Tui De Roy / Pennant coralfish (Heniochus acuminatus), with schooling baitfish. Christmas Rock, Noonu Atoll, Maldives.
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David Fleetham / Slate pencil sea urchins (Heterocentrotus mammillatus) Pennantfish (Heniochus diphreutes) and Pyramid butterflyfish, (Hemitaurichthys polylepis) swim through the background. Hawaii.