Free Content Two New Species of Sciaenid Fishes (Tribe: Sciaenini) from the Caribbean Sea and Adjacent Waters

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Abstract:

The genus Sciaena, heretofore monotypic, is characterized by the lack of mental barbels and an elongate swimbladder with no appendages. Two new species S. trewavasae and S. bathytatos are described herein. The new species differ from S. umbra, the type species of the genus, and from one another in the following characters: S. umbra has 11 + 14 vertebrae, 15-20 gill rakers, 23-26 soft dorsal rays, 9-13 inner gill rakers; S. trewavasae has 10 + 15 vertebrae, 19-21 gill rakers, 24-26 soft dorsal rays, 13-16 inner gill rakers; S. bathytatos has 11 + 14 vertebrae, 22-27 gill rakers, 21-23 soft dorsal rays, 17-20 inner gill rakers.

Atlantic sciaenids can be divided into two groups based on their otoliths. One group is characterized by an enlarged lapillus and sagitta and includes the genera Bairdiella, Odontoscion, Ophioscion, and Stellifer. The other group has only an enlarged sagitta and includes the other Atlantic American sciaenid genera, e.g., Leiostomus, Micropogon, and Sciaenops. Sciaena is included in the latter group, but at present we cannot say to which genera it is most closely related.

Document Type: Research Article

Publication date: April 1, 1975

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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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