周防灘西部および八代海南部海域産コチ属2種の形態学的および遺伝生化学的比較 Morphological and Biochemical Comparisons of Two Flathead Species of the Genus Platycephalus Collected from the Western Suonada and Southern Yatsushiro Seas, Japan

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Two flathead species of the genus <i>Platycephalus</i>, P. sp. I (Japanese name: Magochi) and P. sp.II (Japanese name: Yoshinogochi), from the western Suonada and the southern Yatsushiro Seas, Japan, were compared morphologically and electrophoretically. <i>Platycephalus</i> sp. II was easily distinguished from P. sp. I by the presence of irregular brown spots on the back and sides. Complete species separations were also observed at the following meristic characters on fish scales: pored scales in lateral line (PSLL), 67-74 in sp. I, 86-99 in sp. II; transverse rows of scales running obliquely backward and downward (TRSB), 89-107 in sp. I, 108-121 in sp. II; and transverse rows of scales running obliquely forward and downward (TRSF), 124-138 in sp. I, 143-157 in sp. II. Relative growth of the following eight body parts to standard length was significantly different between the two species: predorsal length (PDL), preanal length (PAL), body width (BW), caudal peduncle depth (CPD), head length (HL), head width (HW), upper jaw length (UJL), and interorbital width (IOW). These two species did not share alleles at six loci out of 20 loci detected from isozymes and general proteins and gave a genetic distance of 0.380-0.405, a typical value of congeneric species.

収録刊行物

  • 日本水産学会誌  

    日本水産学会誌 63(3), 345-352, 1997-05-15 

    日本水産學會

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各種コード

  • NII論文ID(NAID)
    10004851051
  • NII書誌ID(NCID)
    AN00193422
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00215392
  • NDL 記事登録ID
    4217672
  • NDL 雑誌分類
    ZR26(科学技術--農林水産--水産)
  • NDL 請求記号
    Z18-345
  • データ提供元
    CJP書誌  CJP引用  NDL  IR  J-STAGE 
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