Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species
Abstract During three cruises in the Mid Atlantic Ridge area in 2016 and 2017, we studied the biomass of mesopelagic fish and its potential as a source of protein and oil for animal feed and human consumption. We collected samples of mesopelagic species down to a depth of 600 m, studied fish behavio...
Published in: | ICES Journal of Marine Science |
---|---|
Main Authors: | , , , , , , , , , , , , |
Other Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Oxford University Press (OUP)
2020
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1093/icesjms/fsaa114 http://academic.oup.com/icesjms/article-pdf/77/7-8/2541/35589061/fsaa114.pdf |
id |
croxfordunivpr:10.1093/icesjms/fsaa114 |
---|---|
record_format |
openpolar |
spelling |
croxfordunivpr:10.1093/icesjms/fsaa114 2024-09-15T18:25:20+00:00 Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species Grimaldo, Eduardo Grimsmo, Leif Alvarez, Paula Herrmann, Bent Møen Tveit, Guro Tiller, Rachel Slizyte, Rasa Aldanondo, Naroa Guldberg, Trude Toldnes, Bendik Carvajal, Ana Schei, Marte Selnes, Merethe Proud, Roland SUMMER 2020 http://dx.doi.org/10.1093/icesjms/fsaa114 http://academic.oup.com/icesjms/article-pdf/77/7-8/2541/35589061/fsaa114.pdf en eng Oxford University Press (OUP) http://creativecommons.org/licenses/by/4.0/ ICES Journal of Marine Science volume 77, issue 7-8, page 2541-2556 ISSN 1095-9289 journal-article 2020 croxfordunivpr https://doi.org/10.1093/icesjms/fsaa114 2024-08-19T04:22:39Z Abstract During three cruises in the Mid Atlantic Ridge area in 2016 and 2017, we studied the biomass of mesopelagic fish and its potential as a source of protein and oil for animal feed and human consumption. We collected samples of mesopelagic species down to a depth of 600 m, studied fish behaviour, identified and quantified the species composition of the catches, analysed the chemical composition of the catch samples, and evaluated the presence of unwanted substances. Results showed that Maurolicus muelleri (Mueller’s pearlside) and Benthosema glaciale (Glacier lantern fish) were the most abundant fish species in our samples and catches containing 80% fish can be a good source of protein and marine lipids including eicosapentaenoic acid (C20:5n3) and docosahexaenoic acid (C22:6n3). Unwanted substances, except for Cd and As, were present at levels far lower than the limits set by European Union regulations. However, our experiments identified challenges that may limit the efficiency of commercial operations in the Northeast Atlantic. Combined real-time optical and/or multifrequency acoustic systems will be needed to improve species identification and ensure cost-effective fishing operations. Also, selective trawls that target only fish and release unwanted species are needed to secure high-quality oils and proteins. Article in Journal/Newspaper Northeast Atlantic Oxford University Press ICES Journal of Marine Science 77 7-8 2541 2556 |
institution |
Open Polar |
collection |
Oxford University Press |
op_collection_id |
croxfordunivpr |
language |
English |
description |
Abstract During three cruises in the Mid Atlantic Ridge area in 2016 and 2017, we studied the biomass of mesopelagic fish and its potential as a source of protein and oil for animal feed and human consumption. We collected samples of mesopelagic species down to a depth of 600 m, studied fish behaviour, identified and quantified the species composition of the catches, analysed the chemical composition of the catch samples, and evaluated the presence of unwanted substances. Results showed that Maurolicus muelleri (Mueller’s pearlside) and Benthosema glaciale (Glacier lantern fish) were the most abundant fish species in our samples and catches containing 80% fish can be a good source of protein and marine lipids including eicosapentaenoic acid (C20:5n3) and docosahexaenoic acid (C22:6n3). Unwanted substances, except for Cd and As, were present at levels far lower than the limits set by European Union regulations. However, our experiments identified challenges that may limit the efficiency of commercial operations in the Northeast Atlantic. Combined real-time optical and/or multifrequency acoustic systems will be needed to improve species identification and ensure cost-effective fishing operations. Also, selective trawls that target only fish and release unwanted species are needed to secure high-quality oils and proteins. |
author2 |
Proud, Roland SUMMER |
format |
Article in Journal/Newspaper |
author |
Grimaldo, Eduardo Grimsmo, Leif Alvarez, Paula Herrmann, Bent Møen Tveit, Guro Tiller, Rachel Slizyte, Rasa Aldanondo, Naroa Guldberg, Trude Toldnes, Bendik Carvajal, Ana Schei, Marte Selnes, Merethe |
spellingShingle |
Grimaldo, Eduardo Grimsmo, Leif Alvarez, Paula Herrmann, Bent Møen Tveit, Guro Tiller, Rachel Slizyte, Rasa Aldanondo, Naroa Guldberg, Trude Toldnes, Bendik Carvajal, Ana Schei, Marte Selnes, Merethe Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species |
author_facet |
Grimaldo, Eduardo Grimsmo, Leif Alvarez, Paula Herrmann, Bent Møen Tveit, Guro Tiller, Rachel Slizyte, Rasa Aldanondo, Naroa Guldberg, Trude Toldnes, Bendik Carvajal, Ana Schei, Marte Selnes, Merethe |
author_sort |
Grimaldo, Eduardo |
title |
Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species |
title_short |
Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species |
title_full |
Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species |
title_fullStr |
Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species |
title_full_unstemmed |
Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species |
title_sort |
investigating the potential for a commercial fishery in the northeast atlantic utilizing mesopelagic species |
publisher |
Oxford University Press (OUP) |
publishDate |
2020 |
url |
http://dx.doi.org/10.1093/icesjms/fsaa114 http://academic.oup.com/icesjms/article-pdf/77/7-8/2541/35589061/fsaa114.pdf |
genre |
Northeast Atlantic |
genre_facet |
Northeast Atlantic |
op_source |
ICES Journal of Marine Science volume 77, issue 7-8, page 2541-2556 ISSN 1095-9289 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1093/icesjms/fsaa114 |
container_title |
ICES Journal of Marine Science |
container_volume |
77 |
container_issue |
7-8 |
container_start_page |
2541 |
op_container_end_page |
2556 |
_version_ |
1810465831774060544 |