Growth rate-dependent recruitment of Japanese anchovy Engraulis japonicus in the Kuroshio-Oyashio transitional waters

Takahashi, Motomitsu; Watanabe, Yoshirô

doi:10.3354/meps266227

Cited by 96 publications

(87 citation statements)

References 20 publications

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“…3). In the Atlantic cod (Gadus morhua) and Japanese anchovy (Engraulis japonicus), it has been suggested that individuals with high growth rates in their early life stages have a higher probability of survival and that this early growth determines the success or failure of recruitment (Meekan and Fortier, 1996;Takahashi et al, 2001;Takahashi and Watanabe, 2004;Takasuka et al, 2004). On the other hand, the results of the present study show that individuals of jack mackerel with slower growth rates could survive and be recruited successfully to the stock.…”

Section: Growth and Survivalcontrasting

confidence: 45%

Multiple cohorts of juvenile jack mackerel Trachurus japonicus in waters along the Tsushima Warm Current

et al. 2009

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Section: Growth and Survivalcontrasting

confidence: 45%

Multiple cohorts of juvenile jack mackerel Trachurus japonicus in waters along the Tsushima Warm Current

et al. 2009

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“…Growth of larval krill in their winter habitat refl ects their feeding history over the past three weeks to one month, and may be an indicator of their ability to survive, that is, better growth indicates higher survivorship than lower growth. Evidence for similar linkages has been found for larval fi sh; larvae in better condition will have lower mortality rates and hence lead to stronger year classes, all else being equal (Pepin, 1991;Ottersen and Loeng, 2000;Takahashi and Watanabe, 2004).…”

Section: Ice Campsmentioning

confidence: 70%

Life Under Antarctic Pack Ice: A Krill Perspective

Quetin¹,

Ross²

2009

Smithsonian at the Poles : Contributions to International Polar Year Science

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“…Healey 1982, Post & Prankevicius 1987, Meekan & Fortier 1996, Good et al 2001, Takahashi & Watanabe 2004b). Another focus of previous studies has been the selective survival during horizontal migrations (e.g.…”

Section: Survivors Vs Original Populationmentioning

confidence: 99%

Three synergistic growth-related mechanisms in the short-term survival of larval Japanese anchovy Engraulis japonicus in Sagami Bay

Takasuka

Aoki²,

Mitani³

2004

Mar. Ecol. Prog. Ser.

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The 'growth-mortality' hypothesis, which holds that larger and/or faster growing individuals will have a higher probability of survival, currently includes 3 functional mechanisms (hypotheses) in its theoretical framework: 'bigger is better', 'stage duration' and the recently proposed 'growth-selective predation', which are based on size, time and per se growth rate, respectively. Through otolith microstructure analysis, we tested these 3 synergistic growth-related mechanisms according to growth characteristics of the survivors vs the original population in the short-term (ca. 2 wk) survival process of larval Japanese anchovy Engraulis japonicus in the 'shirasu' (larval anchovy) fishing ground in Sagami Bay, Japan. Back-calculated standard length (growth trajectory) and growth rate (growth history) were compared between the survivors (SV) captured on 18 July 2001 and the presumed original population (OP) captured on 1 and 5 July 2001. The larvae from SV were consistently smaller than the larvae from OP until at least the start of the ca. 2 wk survival process (1 July). Daily growth rates, however, were higher for SV than for OP at least at the start of the survival period. Therefore, faster growing individuals survived even if they were smaller than slowergrowing conspecifics. This was probably mediated by predation. Growth histories were generally similar between the metamorphosing larvae and non-metamorphosing larvae older than 40 d, the minimum age for metamorphosis, except for the period immediately after hatching. As such, we failed to detect a clear relationship between growth rates and the timing of metamorphosis (stage duration) as a whole. The results supported and extended the 'growth-selective predation' hypothesis but not the 'bigger is better' hypothesis. The 'stage duration' hypothesis was not unequivocally supported by the present findings.KEY WORDS: Growth rate · Otolith microstructure analysis · Short-term survival · Growth-selective predation hypothesis · Larval Japanese anchovyResale or republication not permitted without written consent of the publisher

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Growth rate-dependent recruitment of Japanese anchovy Engraulis japonicus in the Kuroshio-Oyashio transitional waters

Cited by 96 publications

References 20 publications

Multiple cohorts of juvenile jack mackerel Trachurus japonicus in waters along the Tsushima Warm Current

Multiple cohorts of juvenile jack mackerel Trachurus japonicus in waters along the Tsushima Warm Current

Life Under Antarctic Pack Ice: A Krill Perspective

Three synergistic growth-related mechanisms in the short-term survival of larval Japanese anchovy Engraulis japonicus in Sagami Bay

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