Robaloscion, Béarez & Schwarzhans, 2013
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publication ID |
https://doi.org/10.26028/cybium/2013-374-006 |
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DOI |
https://doi.org/10.5281/zenodo.13627918 |
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persistent identifier |
https://treatment.plazi.org/id/03F6724F-8C6D-FF20-C8B5-FA7AFD46CE8E |
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treatment provided by |
Felipe |
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scientific name |
Robaloscion |
| status |
gen. nov. |
Robaloscion , new genus
Type species. - Sciaena wieneri Sauvage, 1883: 156 .
Diagnosis
Robaloscion is distinguishable from all other sciaenid genera by the following combination of characters: gas bladder carrot-shaped, with a pair of blunt horn-like appendages arising at the antero-lateral corners of main chamber, projecting anteriorly; D X-I, 21-24; A II, 10; vertebral count 24-25 (11 + 13-14); posterior end of maxilla reaching or passing level of rear margin of eye; sagitta very elongate and almost rectangular in shape, bearing a massive umbo on its outer face ( Fig. 1 View Figure 1 C-J); pseudobranchiae present; caudal fin emarginate to lunate.
Etymology
The new genus name Robaloscion is derived from the local Peruvian name “robalo” in use for fishes of the species Sciaena wieneri , and “scion”, a root commonly used since Gill (1861) in sciaenid generic names for its resemblance to Sciaena (drum). English common name proposed: robalo drum; French name: courbine de Wiener; Spanish name: robalo peruano.
The genus Robaloscion includes a single species:
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