Morphology and Taxonomy of Apristurus longicephahis (Lamniformes,Seyliorhinidae) |
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Authors: | Kazuhiro Nakaya |
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Affiliation: | 1.Laboratory of Marine Zoology, Faculty of Fisheries,Hokkaido University,Hakodate,Japan |
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Abstract: | Data on the individual variation and changes with growth in proportions and morphology are presented for the poorly known Apristurus longicephalus, and compared with those of other species. A. longicephalus is concluded to be a distinct species without synonyms, characterized by its long snout, widely separate nostrils, long caudal fin, short abdomen, very sparse teeth, and low number of monospondylous vertebrae. It is a species of small size, maturing at about 42 cm in total length. |
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