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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Flip Nicklin / Long-spine Porcupinefish (Diodon holocanthus) in defense posture, North America
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Fred Bavendam / Porcupinefish (Diodon nicthemerus) swallows water to puff itself up and points its spines outward as a defense against predators, South Australia
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Pete Oxford / Porcupine fish (Diodon hystrix) Bonaire, Netherlands Antilles, Caribbean
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Pete Oxford / Long-spine Porcupinefish (Diodon holocanthus) in Stove Pipe Sponge (Aplysina archeri), Bonaire, Netherlands Antilles, Caribbean
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Birgitte Wilms / Porcupinefish (Diodon sp), Indonesia
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Juergen Freund / RF- Globefish (Diodon nicthemerus). Lembeh Strait, North Sulawesi, Indonesia. (This image may be licensed either as rights managed or royalty free.)
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Fred Bavendam / Porcupinefish (Diodon nicthemerus), Edithburg, Australia
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Pete Oxford / Long-spine Porcupinefish (Diodon holocanthus) uninflated on ocean floor, Isabella Island, Galapagos Islands, Ecuador
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Flip Nicklin / Long-spine Porcupinefish (Diodon holocanthus) inflated in defensive posture, North America
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Jeff Rotman / Porcupinefish (Diodon hystrix) close-up of spines. Egypt, Red Sea.
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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} Lembeh Strait, North Sulawesi, Indonesia.
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Doug Perrine / Diver with inflated Porcupine fish {Diodon hystrix} Florida, USA.
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Birgitte Wilms / Porcupinefish (Diodon sp), Red Sea, Egypt
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Norbert Wu / Porcupinefish (Diodon sp) swells up in defense, Philippines
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Fred Bavendam / Porcupinefish (Diodon nicthemerus) swallows water to puff itself up and points its spines outward as a defense against predators, South Australia
