A new species,gerres infasciatus, from the gulf of thailand (perciformes: Gerreidae) |
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Authors: | Yukio Iwatsuki Seishi Kimura |
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Affiliation: | (1) Laboratory of Marine Production, Department of Animal Science, Faculty of Agriculture, Miyazaki University, 1-1 Gakuen-kibanadai-nishi, 889-21 Miyazaki, Japan;(2) Fisheries Research Laboraotry, Mie University, Wagu, Shima, P. O. Box 11, 517-07 Mie, Japan |
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Abstract: | Gerres infasciatus sp. nov. is described from the holotype and two paratypes, 125–140 mm in standard length (SL), collected off Samut Prakan, northern Gulf of Thailand. The species is similar toG. filamentosus Cuvier andG. macracanthus Bleeker in general appearance, having an elongated second dorsal fin spine, but differs from them in having 39 or 40 pored lateral line scales, the first and second soft dorsal fin ray tips yellow in fresh specimens, a narrow, faint dusky-yellowish margin on the upper membrane of the spinous dorsal fin (between 4th–9th spines), the distal part of the pelvic fin (between 1st–5th soft rays) white for 1/3–1/2 of each ray length (lost after preservation), bands absent on the body in both fresh and preserved specimens, a smaller orbit diameter (11.4–12.4% of SL), a longer second dorsal fin spine (48.0–68.9% of SL), and shorter second and third anal fin spines (10.7–11.2% and 10.4–11.3% of SL), respectively. |
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Keywords: | Taxonomy Perciformes Gerreidae new species Gerres |
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