On the Gill-rakers of Sardinia melanosticta (TEMMINCK & SCHLEGEL)

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概要

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• A large number of specimens of Sardinia melanosticta (T. & S.) obtained in Ibaraki Pre-fecture, ranging from 22mm to 179mm in body length, were examined. Some exceptionally shorter gill-rakers were found at the inner flexure of the first gill-arch of the specimens measuring 35mm and over in body length. The number of the shorter gill-rakers increases, on the average, with the increase in body length. The appearance of the shorter gill-rakers in such a young stage may be taken as a criterion to distinguish Sardinia melanosticta from S. sagax (sensu extenso) which is often regarded to be synonymous with the former.

• 社団法人 日本水産学会の論文

著者

• 酒向 昇

  茨城県水産試験場

関連論文

• On the Gill-rakers of Sardinia melanosticta (TEMMINCK & SCHLEGEL)

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