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Overview |
Main identification features
- slender
- 2nd dorsal fin small, origin over center a
- notches above and below tail base
- snout: long, pointed
- long lip furrows
- long crests before a
RHIZOPRIONODON
SHARPNOSE SHARKS
Long pointed snout; small, wide spaced nostrils; with furrows over rear of top lip; no spiracle; large round eyes; teeth with narrow single point; five gill slits, last two over pectoral; two dorsal fins, first much larger, with origin ~over rear margin of pectoral; second dorsal origin ~over rear insertion of anal; pectorals broad, triangular; pits above and below base of tail fin.
A circumtropical genus, except for central Pacific. There are seven species in this genus, one of which is endemic to the tropical eastern Pacific.
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References |
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Acknowledgements | |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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Updated: 2024-05-03 01:01:06 gmt
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