A trans‐Atlantic examination of haddock Melanogrammus aeglefinus food habits

Tam, J. C.; Link, J. S.; Large, S. I.; Bogstad, B.; Bundy, A.; Cook, A. M.; Dingsør, G. E.; Dolgov, A. V.; Howell, D.; Kempf, A.; Pinnegar, J. K.; Rindorf, A.; Schückel, S.; Sell, A. F.; Smith, B. E.

doi:10.1111/jfb.12983

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

i

A trans‐Atlantic examination of haddock Melanogrammus aeglefinus food habits

2016
By Tam, J. C. ; Link, J. S. ; Large, S. I. ; ...
Source: Journal of Fish Biology, 88(6), 2203-2218

[PDF-1.19 MB]

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Details:

Journal Title:

Journal of Fish Biology
Personal Author:

Tam, J. C. ; Link, J. S. ; Large, S. I. ; Bogstad, B. ; Bundy, A. ; ... More +

Tam, J. C. ; Link, J. S. ; Large, S. I. ; Bogstad, B. ; Bundy, A. ; Cook, A. M. ; Dingsør, G. E. ; Dolgov, A. V. ; Howell, D. ; Kempf, A. ; Pinnegar, J. K. ; Rindorf, A. ; Schückel, S. ; Sell, A. F. ; Smith, B. E. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service)
Description:

The food habits of Melanogrammus aeglefinus were explored and contrasted across multiple north‐eastern and north‐western Atlantic Ocean ecosystems, using databases that span multiple decades. The results show that among all ecosystems, echinoderms are a consistent part of M. aeglefinus diet, but patterns emerge regarding where and when M. aeglefinus primarily eat fishes v. echinoderms. Melanogrammus aeglefinus does not regularly exhibit the increase in piscivory with ontogeny that other gadoids often show, and in several ecosystems there is a lower occurrence of piscivory. There is an apparent inverse relationship between the consumption of fishes and echinoderms in M. aeglefinus over time, where certain years show high levels of one prey item and low levels of the other. This apparent binary choice can be viewed as part of a gradient of prey options, contingent upon a suite of factors external to M. aeglefinus dynamics. The energetic consequences of this prey choice are discussed, noting that in some instances it may not be a choice at all.
Keywords:

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Aquatic Science Ecology, Evolution, Behavior And Systematics
Source:

Journal of Fish Biology, 88(6), 2203-2218
DOI:

https://doi.org/10.1111/jfb.12983
ISSN:

0022-1112;1095-8649;
Format:

PDF
Publisher:

Wiley
Document Type:

Journal Article
Rights Information:

Accepted Manuscript
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Library
Main Document Checksum:

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urn:sha-512:65421d23b7f17a5c5d06df82db1cfc142f495a48c88a5369e230ca74da668f3dfd81ce7f2e74278e11718198a00ba79b77501dae2250a3cf11d6e5a7bf1b626b
Download URL:

https://repository.library.noaa.gov/view/noaa/63110/noaa_63110_DS1.pdf
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