Cyclichthys orbicularis (round burrfish)
Luzon Island, Philippines
Closely related to pufferfish (family Tetraodontidae), the Rounded porcupinefish is one of the smaller of around 20 porcupinefish species (family Diodontidae), growing to only about seven or eight inches. The large eyes are well-adapted for night vision, when this species is most likely to be encountered. If threatened, this fish inflates itself by gulping water until it gradually becomes spherical in shape, completely rigid with its large, stiff spines pointed outward to prevent swallowing by potential predators. In addition to forcing the spines to point outward, the inflation of its body presents a larger appearance to help discourage predators.
Jeffrey N. Jeffords (photographer; copyright holder; identification)
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To cite this page: Jeffords, J.2004. "porcupinefish.jpg" (On-line), Animal Diversity Web. Accessed November 26, 2024 at https://animaldiversity.org/collections/contributors/jeffrey_jeffords/fish/porcupinefish/
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This material is based upon work supported by the National Science Foundation Grants DRL 0089283, DRL 0628151, DUE 0633095, DRL 0918590, and DUE 1122742. Additional support has come from the Marisla Foundation, UM College of Literature, Science, and the Arts, Museum of Zoology, and Information and Technology Services.
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