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タイトル: | Ontogeny of swimming speed, schooling behaviour and jellyfish avoidance by Japanese anchovy Engraulis japonicus. |
著者: | Masuda, R https://orcid.org/0000-0002-2184-1533 (unconfirmed) |
著者名の別形: | 益田, 玲爾 |
キーワード: | Aurelia aurita behavioural ontogeny Engraulidae population dynamics predator avoidance shoaling |
発行日: | 4-Apr-2011 |
出版者: | wiley |
誌名: | Journal of fish biology |
巻: | 78 |
号: | 5 |
開始ページ: | 1323 |
終了ページ: | 1335 |
抄録: | The ontogeny of swimming speed, schooling behaviour and jellyfish avoidance was studied in hatchery-reared Japanese anchovy Engraulis japonicus to compare its life-history strategy with two other common pelagic fishes, jack mackerel Trachurus japonicus and chub mackerel Scomber japonicus. Cruise swimming speed of E. japonicus increased allometrically from 1·4 to 3·9 standard length (L(S) ) per s (L(S) s(-1) ) from early larval to metamorphosing stage. Burst swimming speed also increased from 6·1 to 28 L(S) s(-1) in these stages. Cruise speed was inferior to that of S. japonicus, as was burst speed to that of T. japonicus. Engraulis japonicus larvae were highly vulnerable to predation by moon jellyfish Aurelia aurita and were readily eaten until they reached 23 mm L(S) , but not at 26 mm L(S) . Schooling behaviour (indicated by parallel swimming) started at c. 17 mm L(S) . Average distance to the nearest neighbour was shorter than values reported in other pelagic fishes. The relatively low predator avoidance capability of E. japonicus may be compensated for by their transparent and thus less conspicuous body, in addition to their early maturation and high fecundity. |
著作権等: | This is the peer reviewed version of the following article: Masuda, R. (2011), Ontogeny of swimming speed, schooling behaviour and jellyfish avoidance by Japanese anchovy Engraulis japonicus. Journal of Fish Biology, 78: 1323–1335, which has been published in final form at http://dx.doi.org/10.1111/j.1095-8649.2011.02936.x This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
URI: | http://hdl.handle.net/2433/197318 |
DOI(出版社版): | 10.1111/j.1095-8649.2011.02936.x |
PubMed ID: | 21539545 |
出現コレクション: | 学術雑誌掲載論文等 |
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