鹿児島県から採集された日本初記録のカタクチイワシ科魚類シロガネアイノコイワシ(新称)<i>Encrasicholina devisi</i> および近縁種との比較
書誌事項
- タイトル別名
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- First Japanese record of an engraulid fish, <i>Encrasicholina devisi</i> (Clupeiformes), collected from Kagoshima Prefecture, southern Japan and comparisons with congeners
- カゴシマケン カラ サイシュウ サレタ ニホン ハツキロク ノ カタクチイワシカ ギョルイ シロガネアイノコイワシ(シンショウ)Encrasicholina devisi オヨビ キンエンシュ トノ ヒカク
- 鹿児島県から採集された日本初記録のカタクチイワシ科魚類シロガネアイノコイワシ(新称)Encrasicholina devisiおよび近縁種との比較
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説明
A single specimen of an engraulid fish, Encrasicholina devisi (Whitley, 1940) as collected from Uchinoura Bay, Kagoshima Prefecture, southern Japan, in January 011. The previously reported northernmost record of the species being as Taiwan, the agoshima specimen is described here as the northernmost (and first Japanese) record nown of E. devisi. Although the species is similar to E. heteroloba in having the maxilla osteriorly reaching to the subopercle, differences between the species have been unclear, ue to a lack of detailed comparisons. Comparisons of E. devisi with E. heteroloba based n 29 and 32 specimens, respectively, from the Indo-West Pacific revealed the former to ave 3 unbranched rays in the dorsal and anal fins [vs. 2 or (rarely) 1 in E. heteroloba]. ncrasicholina devisi also differs from E. heteroloba in having relatively fewer gill rakers: 6–46 (mode 40) on the first gill arch [vs. 44–51 (46)], 30–37 (34) on the second gill rch [vs. 33–42 (38–40)], 15–22 (19) on the fourth gill arch [vs. 19–25 (21)] and 3–7 (6) n the posterior face of the third gill arch [vs. 5–8 (7)]. Morphometrically, E. devisi is eparable from E. heteroloba in head length [25.8–27.5% (mean 26.7%) of standard length s. 22.8–25.5% (24.3%)], first unbranched dorsal-fin ray length [0.4–1.8% (1.0%) vs. 4.1– .7% (5.6%)], second unbranched dorsal-fin ray length [5.3–7.5% (6.7%) vs. 12.3–15.2% 13.5%)], first unbranched anal-fin ray length [0.3–2.1% (1.0%) vs. 2.5–5.0% (3.6%)] and econd unbranched dorsal-fin ray length [2.3–4.9% (3.9%) vs. 7.3–11.0% (9.6%)], and in aving the third or fourth soft ray in the dorsal fin longest (vs. second to fourth), and third o fifth soft ray in the anal fin longest (vs. second or third).
収録刊行物
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- 魚類学雑誌
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魚類学雑誌 59 (2), 125-134, 2012
一般社団法人 日本魚類学会
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詳細情報 詳細情報について
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- CRID
- 1390282680488886656
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- NII論文ID
- 130004715431
- 110008918497
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- NII書誌ID
- AN00063212
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- ISSN
- 18847374
- 00215090
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- HANDLE
- 10232/21758
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- NDL書誌ID
- 024092229
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- 本文言語コード
- ja
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- 資料種別
- journal article
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- データソース種別
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- JaLC
- IRDB
- NDLサーチ
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可