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Free Content New Genus and Species of Pufferfish (Tetraodontidae) from Norfolk Island, Southwest Pacific

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A new genus and species of tetraodontid pufferfish (Pelagocephalus coheni) is described, based on a specimen presumably collected by a white tern at Norfolk Island, southwest Pacific. The new species is perhaps endemic to the Norfolk Island region in an offshore semi-pelagic habitat. It differs from all other tetraodontid plectognath fishes in two respects by the following: (1) the ventral portion of the parasphenoid under the orbit is divided into a pair of ventrolaterally directed flanges forming a thin palate over the rear of the oral cavity, rather than being a single vertical plate in the midline as in other pufferfishes; (2) the nasal apparatus is an open, flat, relatively unornamented disk flush with the surface of the surrounding skin, rather than being a short to long tube with one or two nostrils, a paired or single tentacle, or an open large elaborate cup as in other pufferfishes.

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Document Type: Research Article

Publication date: 1979-04-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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