Free Content On the Validity of the Western Atlantic Threadfin Fish Polydactylus Oligodon (Günther)

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Abstract:

The polynemid fish Polydactylus oligodon (Günther), previously placed in the synonymy of P. virginicus, is here regarded as a valid species. It is distinguished from virginicus principally by having 68 to 74, instead of 53 to 62, lateral-line scales, 16 instead of 15 upper pectoral fin-rays, a longer anal fin base, and a larger maximum size (at least 16 inches [41 cm] total length). The species originally was described from Brazil and Jamaica, and is here recorded also from Trinidad and Southern Florida.

Document Type: Research Article

Publication date: September 1, 1966

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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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