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Long-spine porcupinefish, X-ray

Long-spine porcupinefish, X-ray

C026/3248

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Credit

SANDRA J. RAREDON, NATIONAL MUSEUM OF NATURAL HISTORY, SMITHSONIAN INSTITUTION / SCIENCE PHOTO LIBRARY SANDRA J. RAREDON, NATIONAL MUSEUM OF NATURAL HISTORY, SMITHSONIAN INSTITUTION / SCIENCE PHOTO LIBRARY

Caption

Long-spine porcupinefish (Diodon holocanthus). X-ray of a section through an inflated long-spine porcupinefish, showing the spines (thin, white) that surround its body. To ward off predators porcupinefish inflate their body by pumping water into their stomach. The body becomes a round rigid ball bristling with spines. When the fish is relaxed the spines lie flat against the body. This specimen measures 9 centimetres in length.

Release details

Model release not required. Property release not required.

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