本州東方沖から得られたイレズミコンニャクアジの仔稚魚
書誌事項
- タイトル別名
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- Development of ragfish, Icosteus aenigmaticus, (Perciformes: Icosteidae) larvae and juveniles from waters off eastern Japan.
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説明
The larval and juvenile development of Icosteus aenigmaticus are described, based on 21 specimens (5.2-54.6mm in body length, BL) collected from waters off north-eastern Japan, and compared with 3 larval specimens (5.5-25.5mm BL) from Northeast Pacific. This report represents the first record of larvae from Northwest Pacific and the first description of juvenile of this species. Initially, larvae had a slender body obscured by thick membrane, but the body deepened with the growth. Head spines were small and limited to the preopercle outer mar-gin from onset of flexion through juvenile stages, number of spines variable 4-7. The final fin-ray complements being established at about 25 mm BL. Postflexion larvae and juveniles had pigmented blotches laterally on the trunk. Juveniles had 10+9 branched caudal-fin rays, a greater number than usual in percoids.
収録刊行物
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- 魚類学雑誌
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魚類学雑誌 49 (2), 97-102, 2002
The Ichthyological Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1390282679744472064
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- NII論文ID
- 130004019298
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- ISSN
- 18847374
- 00215090
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可