A new sparid, Acanthopagrus akazakii, from New Caledonia with notes on nominal species of Acanthopagrus |
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Authors: | Yukio Iwatsuki Seishi Kimura Tetsuo Yoshino |
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Institution: | (1) Division of Fisheries Sciences, Faculty of Agriculture, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan;(2) Fisheries Research Laboratory, Mie University, P.O. Box 11, Wagu, Shima, Mie 517-0703, Japan;(3) Department of Marine Sciences, Faculty of Science, University of the Ryukyus, 1 Senbaru, Nishihara-cho, Okinawa 903-0213, Japan |
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Abstract: | A new sparid species, Acanthopagrus akazakii, is described on the basis of 12 types collected from Noumèa, New Caledonia. Acanthopagrus akazakii is most similar to Acanthopagrus berda in overall appearance but differs from the latter in having 41/2 scale rows between the 5th dorsal fin spine base and lateral line, anteriormost head scales broadly rounded without small
scales anteriorly, upward- and downward-oriented portions present on anteriormost part of upper lip, a downward-oriented portion
on anteriormost part of lower lip in specimens over ca. 160 mm in standard length, and upper head profile gently convex from
snout tip to above eye throughout growth (vs. 31/2 scale rows between 5th dorsal fin spine base and lateral line, anteriormost head scales rounded with small scales anteriorly,
no upward and downward portions in anteriormost upper and lower lips, and upper head profile becoming concave from snout tip
to above eye with growth). Furthermore, A. berda develops a strong concavity of the ventral edge of the first two infraorbitals above the posterior part of upper jaw with
growth, whereas A. akazakii has a generally straight series throughout growth. Nominal species in A. berda are reviewed, with notes on nominal species of Acanthopagrus. |
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Keywords: | Taxonomy Sparidae New species Acanthopagrus akazakii sp nov |
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