Alex Mustard / Spotted porcupinefish (Diodon hystrix) swimming in open water above a coral reef, West Bay, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Claudio Contreras / Balloon fish (Diodon holocanthus) with defensive spines, Puerto Morelos National Park, Caribbean Sea, Mexico, January
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Tim Laman / Bluestreak cleaner wrasse (Labroides dimidiatus) cleaning a Spotted Porcupinefish (Diodon hystrix) on a coral reef in Bali, Indonesia.
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GEORGETTE DOUWMA / Black-spotted porcupinefish {Arothron hystrix} Lembeh Strait, North Sulawesi, Indonesia.
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GEORGETTE DOUWMA / Black-spotted porcupinefish {Arothron hystrix} lying next to Ceranthid anemone, Lembeh Strait, North Sulawesi, Indonesia.
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GEORGETTE DOUWMA / Black-spotted porcupinefish {Arothron hystrix} Lembeh Strait, North Sulawesi, Indonesia.
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GEORGETTE DOUWMA / Black-spotted porcupinefish {Arothron hystrix} lying next to Ceranthid anemone where shrimps have set up a cleaning station. Lembeh Strait, North Sulawesi, Indonesia.
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GEORGETTE DOUWMA / Balloon fish / Fine-spotted porcupinefish (Diodon holocanthus) Lembeh Strait, North Sulawesi, Indonesia
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GEORGETTE DOUWMA / Fine spotted porcupinefish {Diodon holocanthus} Kungkungan Bay, Sulawesi, Indonesia
