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Polydactylus
Life   Vertebrata   Fish   Polynemidae

Polydactylus approximans
© Copyright Ross Robertson, 2006 · 12
Polydactylus approximans

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Polydactylus opercularis
© Copyright Ross Robertson, 2006 · 12
Polydactylus opercularis
Polydactylus
© Copyright Ross Robertson, 2006 · 12
Polydactylus
Kinds
español

Overview
Main identification features
  • fatty eyelid over large eye
  • c: very forked
  • snout translucent
  • pectoral with 5-9 long free rays
POLYDACTYLUS

BOBOS, THREADFINS

Elongate, compressed; snout short, conical, translucid, overhangs mouth; mouth moderate, below, with bottom lip but no top lip; eyes large, with fatty cover, at front of head; preopercle smooth; two well separted; dorsal fins; tail forked; pectoral divided in two sections, lower section under gills with 5-9 long free rays, upper section with normal fin; pelvics under dorsal; scales rough.

This genus of about 15 species is circumtropical. Two species are endemic to the tropical eastern Pacific.


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: 2024-04-25 10:53:45 gmt
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