Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study
Resorption processes in the scales of Atlantic salmon, during its anadromous migration are known since 1935, but have never been quantified. In fact, the ellipsoid form of the ascending salmon scale resorbs into an irregular highly deformed shape in spawning salmon. The aim of this study is to quant...
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ftinstagro:oai:HAL:hal-01210254v1 2024-06-23T07:45:34+00:00 Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study Kacem, Adnane Baglinière, Jean-Luc Meunier, Francois Jean Biologie des Organismes et Ecosystèmes Aquatiques (BOREA) Université de Caen Normandie (UNICAEN) Normandie Université (NU)-Normandie Université (NU)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA) Institut Supérieur de Biotechnologie de Monastir (ISBM) Université de Monastir - University of Monastir (UM) Écologie et santé des écosystèmes (ESE) Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST 2013 https://hal.science/hal-01210254 en eng HAL CCSD Paris : Muséum national d'histoire naturelle hal-01210254 https://hal.science/hal-01210254 PRODINRA: 288925 WOS: 000339364600007 ISSN: 0399-0974 EISSN: 2101-0315 Cybium : Revue Internationale d’Ichtyologie https://hal.science/hal-01210254 Cybium : Revue Internationale d’Ichtyologie, 2013, 37 (3), pp.199 - 206 http://sfi.mnhn.fr/cybium/index.html Salmonidae Salmo salar Brittany River Anadromous migration Scales Resorption Image analysis RAINBOW-TROUT ONCORHYNCHUS-MYKISS VERTEBRAL SKELETON SPAWNING MIGRATION ANGUILLA-ANGUILLA TELEOST FISH BONE CALCIUM L DEMINERALIZATION [SDV]Life Sciences [q-bio] info:eu-repo/semantics/article Journal articles 2013 ftinstagro 2024-05-29T23:53:00Z Resorption processes in the scales of Atlantic salmon, during its anadromous migration are known since 1935, but have never been quantified. In fact, the ellipsoid form of the ascending salmon scale resorbs into an irregular highly deformed shape in spawning salmon. The aim of this study is to quantify the changes of both anterior and posterior scale areas using image analysis techniques. Salmon scales were sampled taking into account the sex and sea age of fish at two stages of migration, viz at the beginning of the upstream migration in rivers and at the spawning areas. Analyses confirmed that scales are highly resorbed during the anadromous. migration and that the resorption is caused by the osteoclastic activity. Morphometric analyses showed that the scale posterior area eroded significantly more intensely than the anterior one. The reason behind the higher erosion in the posterior surface is probably the fact that this area is closer to the circulatory system. Whatever the sex, scales eroded because they ensure a source of minerals used during sexual maturation. However, scales of males eroded significantly more than those of females. Therefore, scale quantification could well be used to discriminate males from females especially after spawning. The time spent at sea seemed to play a minor role on scale modifications during the upstream migration in females. In the light of these quantifications, the use of eroded scales could constitute an accurate tool to improve the knowledge and the management of wild populations. Article in Journal/Newspaper Anguilla anguilla Atlantic salmon Salmo salar Portail HAL Institut Agro |
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Open Polar |
collection |
Portail HAL Institut Agro |
op_collection_id |
ftinstagro |
language |
English |
topic |
Salmonidae Salmo salar Brittany River Anadromous migration Scales Resorption Image analysis RAINBOW-TROUT ONCORHYNCHUS-MYKISS VERTEBRAL SKELETON SPAWNING MIGRATION ANGUILLA-ANGUILLA TELEOST FISH BONE CALCIUM L DEMINERALIZATION [SDV]Life Sciences [q-bio] |
spellingShingle |
Salmonidae Salmo salar Brittany River Anadromous migration Scales Resorption Image analysis RAINBOW-TROUT ONCORHYNCHUS-MYKISS VERTEBRAL SKELETON SPAWNING MIGRATION ANGUILLA-ANGUILLA TELEOST FISH BONE CALCIUM L DEMINERALIZATION [SDV]Life Sciences [q-bio] Kacem, Adnane Baglinière, Jean-Luc Meunier, Francois Jean Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study |
topic_facet |
Salmonidae Salmo salar Brittany River Anadromous migration Scales Resorption Image analysis RAINBOW-TROUT ONCORHYNCHUS-MYKISS VERTEBRAL SKELETON SPAWNING MIGRATION ANGUILLA-ANGUILLA TELEOST FISH BONE CALCIUM L DEMINERALIZATION [SDV]Life Sciences [q-bio] |
description |
Resorption processes in the scales of Atlantic salmon, during its anadromous migration are known since 1935, but have never been quantified. In fact, the ellipsoid form of the ascending salmon scale resorbs into an irregular highly deformed shape in spawning salmon. The aim of this study is to quantify the changes of both anterior and posterior scale areas using image analysis techniques. Salmon scales were sampled taking into account the sex and sea age of fish at two stages of migration, viz at the beginning of the upstream migration in rivers and at the spawning areas. Analyses confirmed that scales are highly resorbed during the anadromous. migration and that the resorption is caused by the osteoclastic activity. Morphometric analyses showed that the scale posterior area eroded significantly more intensely than the anterior one. The reason behind the higher erosion in the posterior surface is probably the fact that this area is closer to the circulatory system. Whatever the sex, scales eroded because they ensure a source of minerals used during sexual maturation. However, scales of males eroded significantly more than those of females. Therefore, scale quantification could well be used to discriminate males from females especially after spawning. The time spent at sea seemed to play a minor role on scale modifications during the upstream migration in females. In the light of these quantifications, the use of eroded scales could constitute an accurate tool to improve the knowledge and the management of wild populations. |
author2 |
Biologie des Organismes et Ecosystèmes Aquatiques (BOREA) Université de Caen Normandie (UNICAEN) Normandie Université (NU)-Normandie Université (NU)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA) Institut Supérieur de Biotechnologie de Monastir (ISBM) Université de Monastir - University of Monastir (UM) Écologie et santé des écosystèmes (ESE) Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST |
format |
Article in Journal/Newspaper |
author |
Kacem, Adnane Baglinière, Jean-Luc Meunier, Francois Jean |
author_facet |
Kacem, Adnane Baglinière, Jean-Luc Meunier, Francois Jean |
author_sort |
Kacem, Adnane |
title |
Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study |
title_short |
Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study |
title_full |
Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study |
title_fullStr |
Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study |
title_full_unstemmed |
Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study |
title_sort |
resorption of scales in atlantic salmon (salmo salar) during its anadromous migration: a quantitative study |
publisher |
HAL CCSD |
publishDate |
2013 |
url |
https://hal.science/hal-01210254 |
genre |
Anguilla anguilla Atlantic salmon Salmo salar |
genre_facet |
Anguilla anguilla Atlantic salmon Salmo salar |
op_source |
ISSN: 0399-0974 EISSN: 2101-0315 Cybium : Revue Internationale d’Ichtyologie https://hal.science/hal-01210254 Cybium : Revue Internationale d’Ichtyologie, 2013, 37 (3), pp.199 - 206 http://sfi.mnhn.fr/cybium/index.html |
op_relation |
hal-01210254 https://hal.science/hal-01210254 PRODINRA: 288925 WOS: 000339364600007 |
_version_ |
1802641012661682176 |