Gary Bell/ Oceanwide / Scarlet Cleaner Shrimp (Lysmata amboinensis) cleaning mouth of Tomato Grouper (Cephalopholis sonnerati), Great Barrier Reef, Australia
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Gary Bell/ Oceanwide / Scarlet Cleaner Shrimp (Lysmata amboinensis) cleaning mouth of Tomato Grouper (Cephalopholis sonnerati), Great Barrier Reef, Australia
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Tony Wu / Twinspot snapper (Lutjanus bohar) shoal rushing up to spawn, releasing a cloud of milky white sperm and eggs in the water column. Caroline Islands, Palau, November.
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Tony Wu / Twinspot snapper (Lutjanus bohar) engaged in a mass spawning aggregation early in the morning. Caroline Islands, Palau. April. Winner of Underwater category, Wildlife Photographer of the Year 2016.
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Alex Mustard / Portrait of pair of Bohar snappers (Lutjanus bohar) in their spawning aggregation. Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea.
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Alex Mustard / Portrait of Bohar snappers (Lutjanus bohar) in its spawning aggregation. Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea.
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Juergen Freund / Lunar tailed rock cod / Coronation grouper (Variola louti) swimming fast over coral reef, Bali, Indonesia
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Fred Bavendam / Scarlet Cleaner Shrimp (Lysmata amboinensis) working on a Tomato Grouper (Cephalopholis sonnerati), Milne Bay, Papua New Guinea
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Gary Bell/ Oceanwide / Blue-streaked Cleaner Wrasse (Labroides dimidiatus) cleaning mouth and gills of Tomato Grouper (Cephalopholis sonnerati), Great Barrier Reef, Australia
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Alex Mustard / School of Bohar snapper (Lutjanus bohar) swimming in formation along a coral reef. These fish are usually solitary and aggregate each summer in the Red Sea to spawn. Ras Mohammed National Park, Sinai...
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Alex Mustard / School of Bohar snapper (Lutjanus bohar) in open water above a coral reef. These fish are usually solitary and aggregate each summer in the Red Sea to spawn. Shark Reef, Ras Mohammed, Sinai, Egypt. Re...
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Alex Mustard / School of Bohar snapper (Lutjanus bohar) in open water close to a coral reef. These fish are usually solitary and aggregate each summer in the Red Sea to spawn. Shark Reef, Ras Mohammed, Sinai, Egypt....