Larval and juvenile Polymetme elongata (Stomiiformes: Phosichthyidae) collected from Suruga Bay and offshore waters, Japan |
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Authors: | Atsushi Fukui Hiroyuki Kuroda |
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Institution: | (1) Department of Fisheries, School of Marine Science and Technology, Tokai University, 3-20-1 Orido Shimizu-ku, Shizuoka 424-8610, Japan |
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Abstract: | Two larvae 17.4 mm standard length: SL (postflexion stage)] and 26.1 mm SL (transformation stage)] and a juvenile (31.7 mm
SL) of a phosichthyid, Polymetme elongata, from Suruga Bay and offshore waters, central Japan, are described. These specimens had an elongate body with relatively
short preanal length (53–63% SL), long anal fin base (2.6–3.4 times dorsal fin base length), and anal fin origin below dorsal
fin base, and were further characterized by a blackish flap on each eye and internal clusters of melanophores (e.g., along
caudal myosepta around midlateral line and on ventral margin of caudal peduncle). The short preanal length and larval melanophore
pattern were very similar to those of another phosichthyid, Yarrella blackfordi, from the Atlantic Ocean. |
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Keywords: | Larvae Juveniles Polymetme elongata Phosichthyidae Suruga Bay |
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