Age and Feeding Habits of Caml Grenadier Macrourus caml in Cosmonauts Sea
Macrourus caml is a main by-catch in the Southern Ocean fishery and a main prey species of Antarctic toothfish Dissostichus mawsoni it plays an important role in the Southern Ocean ecosystem. In this study, age estimation and stomach content analysis were conducted by using samples collected from th...
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ftdoajarticles:oai:doaj.org/article:1d16c151a1b442909188303f409b5bfe 2023-05-15T13:44:14+02:00 Age and Feeding Habits of Caml Grenadier Macrourus caml in Cosmonauts Sea Siqing Xu Peng Sun Chi Zhang Jianchao Li Xiaoyu Xi Shuyang Ma Wenchao Zhang Yongjun Tian 2023-01-01T00:00:00Z https://doi.org/10.3390/fishes8010056 https://doaj.org/article/1d16c151a1b442909188303f409b5bfe EN eng MDPI AG https://www.mdpi.com/2410-3888/8/1/56 https://doaj.org/toc/2410-3888 doi:10.3390/fishes8010056 2410-3888 https://doaj.org/article/1d16c151a1b442909188303f409b5bfe Fishes, Vol 8, Iss 56, p 56 (2023) Macrourus caml age stomach contents analysis metabarcoding analysis Biology (General) QH301-705.5 Genetics QH426-470 article 2023 ftdoajarticles https://doi.org/10.3390/fishes8010056 2023-01-22T01:28:07Z Macrourus caml is a main by-catch in the Southern Ocean fishery and a main prey species of Antarctic toothfish Dissostichus mawsoni it plays an important role in the Southern Ocean ecosystem. In this study, age estimation and stomach content analysis were conducted by using samples collected from the Cosmonauts Sea in 2021. The main objectives of this study were to estimate the age and diet of grenadier M. caml and explore the feeding habits of M. caml . Morphological analysis and molecular identification were conducted to determine the diet of M. caml in this study. Stomach content analysis showed that M. caml mainly fed on Malacostraca, Sagittoidea, Cnidaria and Algae, with the Malacostraca accounting for over 50%. The feeding habits of male and female M. caml were similar. The age of M. caml ranged from 9 to 19 years. Additionally, with the increase of body size, the proportion of Cnidaria was decreasing whereas the proportion of Malacostraca was increasing. The results would provide a reference for exploring the trophic level of M. caml and the food web in the Cosmonauts Sea. Article in Journal/Newspaper Antarc* Antarctic Antarctic Toothfish Cosmonauts sea Southern Ocean Directory of Open Access Journals: DOAJ Articles Antarctic Southern Ocean Cosmonauts Sea ENVELOPE(45.047,45.047,-64.939,-64.939) Fishes 8 1 56 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Macrourus caml age stomach contents analysis metabarcoding analysis Biology (General) QH301-705.5 Genetics QH426-470 |
spellingShingle |
Macrourus caml age stomach contents analysis metabarcoding analysis Biology (General) QH301-705.5 Genetics QH426-470 Siqing Xu Peng Sun Chi Zhang Jianchao Li Xiaoyu Xi Shuyang Ma Wenchao Zhang Yongjun Tian Age and Feeding Habits of Caml Grenadier Macrourus caml in Cosmonauts Sea |
topic_facet |
Macrourus caml age stomach contents analysis metabarcoding analysis Biology (General) QH301-705.5 Genetics QH426-470 |
description |
Macrourus caml is a main by-catch in the Southern Ocean fishery and a main prey species of Antarctic toothfish Dissostichus mawsoni it plays an important role in the Southern Ocean ecosystem. In this study, age estimation and stomach content analysis were conducted by using samples collected from the Cosmonauts Sea in 2021. The main objectives of this study were to estimate the age and diet of grenadier M. caml and explore the feeding habits of M. caml . Morphological analysis and molecular identification were conducted to determine the diet of M. caml in this study. Stomach content analysis showed that M. caml mainly fed on Malacostraca, Sagittoidea, Cnidaria and Algae, with the Malacostraca accounting for over 50%. The feeding habits of male and female M. caml were similar. The age of M. caml ranged from 9 to 19 years. Additionally, with the increase of body size, the proportion of Cnidaria was decreasing whereas the proportion of Malacostraca was increasing. The results would provide a reference for exploring the trophic level of M. caml and the food web in the Cosmonauts Sea. |
format |
Article in Journal/Newspaper |
author |
Siqing Xu Peng Sun Chi Zhang Jianchao Li Xiaoyu Xi Shuyang Ma Wenchao Zhang Yongjun Tian |
author_facet |
Siqing Xu Peng Sun Chi Zhang Jianchao Li Xiaoyu Xi Shuyang Ma Wenchao Zhang Yongjun Tian |
author_sort |
Siqing Xu |
title |
Age and Feeding Habits of Caml Grenadier Macrourus caml in Cosmonauts Sea |
title_short |
Age and Feeding Habits of Caml Grenadier Macrourus caml in Cosmonauts Sea |
title_full |
Age and Feeding Habits of Caml Grenadier Macrourus caml in Cosmonauts Sea |
title_fullStr |
Age and Feeding Habits of Caml Grenadier Macrourus caml in Cosmonauts Sea |
title_full_unstemmed |
Age and Feeding Habits of Caml Grenadier Macrourus caml in Cosmonauts Sea |
title_sort |
age and feeding habits of caml grenadier macrourus caml in cosmonauts sea |
publisher |
MDPI AG |
publishDate |
2023 |
url |
https://doi.org/10.3390/fishes8010056 https://doaj.org/article/1d16c151a1b442909188303f409b5bfe |
long_lat |
ENVELOPE(45.047,45.047,-64.939,-64.939) |
geographic |
Antarctic Southern Ocean Cosmonauts Sea |
geographic_facet |
Antarctic Southern Ocean Cosmonauts Sea |
genre |
Antarc* Antarctic Antarctic Toothfish Cosmonauts sea Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Toothfish Cosmonauts sea Southern Ocean |
op_source |
Fishes, Vol 8, Iss 56, p 56 (2023) |
op_relation |
https://www.mdpi.com/2410-3888/8/1/56 https://doaj.org/toc/2410-3888 doi:10.3390/fishes8010056 2410-3888 https://doaj.org/article/1d16c151a1b442909188303f409b5bfe |
op_doi |
https://doi.org/10.3390/fishes8010056 |
container_title |
Fishes |
container_volume |
8 |
container_issue |
1 |
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56 |
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1766199313609785344 |