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Deep-Sea Fish and Fisheries
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Deep-Sea Fish and Fisheries

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Biology".

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 9269

Special Issue Editors

Dr. Alexei M. Orlov

E-Mail Website
Guest Editor
P.P. Shirshov Institute of Oceanology of the Russian Academy of Sciences (IO RAS), Moscow, Russia
Interests: deepwater fishes; distribution; stock assessment; ecology; general biology; zoogeography; taxonomy
Special Issues, Collections and Topics in MDPI journals
Dr. Michael Maia Mincarone

E-Mail Website
Guest Editor
Institute of Biodiversity and Sustainability, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
Interests: ichthyology; deep-sea fishes; fish conservation; fish systematics; fish taxonomy

Special Issue Information

Dear Colleagues,

Deep-sea fishes are a very diverse group of chondrichthyans and teleosts widely distributed in the world’s oceans from the Arctic to Antarctic and inhabiting the water column and seabed of continental slopes, seamounts and high seas at depths greater 400 m. Despite the long period of studies of deep-sea fishes and commercial exploitation of their resources, their importance in the ecosystems is still poorly understood. Our knowledge of their taxonomy, zoogeography, evolution, phylogeny, basic biological traits, and conservation needs remain scarce. This Special Issue will provide an overview of the current status of knowledge on the variety of topics related to deep-sea fish and fisheries, including taxonomy, zoogeography, phylogeny, molecular biology, evolution, life history, role in the ecosystem, conservation, stock assessment, fisheries and management worldwide. The present Special Issue will comprise collected papers, the majority of which provide new or previously unpublished data. This collection will give readers the opportunity to find a lot of useful information on deep-sea fish and fisheries in a single reference.

Dr. Alexei M. Orlov
Dr. Michael Maia Mincarone
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • deep-sea fishes
  • fisheries
  • chondrichthyans
  • teleosts
  • commercial exploitation
  • taxonomy
  • zoogeography
  • phylogeny
  • molecular biology
  • evolution
  • life history
  • stock assessment
  • management worldwide

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Published Papers (7 papers)

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Research

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12 pages, 4136 KiB  
Communication
First Data on the Age and Growth of Schmidt’s cod Lepidion schmidti (Moridae) from Waters of the Emperor Seamounts (Northwestern Pacific)
by Nikolai B. Korostelev, Igor V. Maltsev and Alexei M. Orlov
J. Mar. Sci. Eng. 2023, 11(6), 1212; https://doi.org/10.3390/jmse11061212 - 11 Jun 2023
Cited by 2 | Viewed by 1489
Abstract
This study presents the first data of growth and age of Schmidt’s cod Lepidion schmidti, a rare and poorly studied member of the Moridae family (Gadiformes, Teleostei). The research was focused on the Emperor Seamounts area with the aim of investigating the [...] Read more.
This study presents the first data of growth and age of Schmidt’s cod Lepidion schmidti, a rare and poorly studied member of the Moridae family (Gadiformes, Teleostei). The research was focused on the Emperor Seamounts area with the aim of investigating the age, growth rates, and longevity of this species. The analysis involved examining annual growth increments on sagittal otoliths. Data were taken from longline catches in 2014 and 2016, resulting in the collection of 140 individuals and the use of 70 otoliths for age determination. The results revealed that Schmidt’s cod can live for up to 49 years, with a mean age of 31.5 years in the catches. The relationship between body weight and total length was described by a power function, indicating positive allometric growth. The most suitable growth model for this species was determined to be the Von Bertalanffy growth equation. These results provide valuable insights to add to the limited knowledge of growth and age in the Moridae family and emphasize the long lifespan and slow growth of Schmidt’s cod. Full article
(This article belongs to the Special Issue Deep-Sea Fish and Fisheries)
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9 pages, 2619 KiB  
Article
New Record of the Grey Cutthroat, Synaphobranchus affinis (Anguilliformes: Synaphobranchidae) from the East Mariana Basin, Western Pacific Ocean
by Jeonghoon Han, Han-Jun Kim, Byung-Jik Kim, Kiseong Hyeong, Choonghwan Noh and Young-Ung Choi
J. Mar. Sci. Eng. 2022, 10(11), 1567; https://doi.org/10.3390/jmse10111567 - 22 Oct 2022
Cited by 2 | Viewed by 1707
Abstract
Two deep-sea eels collected from the East Mariana Basin in the western Pacific Ocean are described in this study. Based on their morphological features, two eel specimens were assumed to belong to the Gray cutthroat eel family, Synaphobranchidae. Mitochondrial DNA (mtDNA) genes have [...] Read more.
Two deep-sea eels collected from the East Mariana Basin in the western Pacific Ocean are described in this study. Based on their morphological features, two eel specimens were assumed to belong to the Gray cutthroat eel family, Synaphobranchidae. Mitochondrial DNA (mtDNA) genes have been widely used as genetic markers to identify fish species. To accurately identify the species of the two eel specimens, we sequenced the mitochondrial cytochrome c oxidase subunit I (COI) and 16S ribosomal RNA (16S rRNA) genes from the two eel specimens. The sequences from the specimens were 100% identical. The molecular phylogenetic tree confirmed that the two eel specimens were closely related to Synaphobranchus affinis with a bootstrap value of 100%. This is the first study to report new records of S. affinis from the East Mariana Basin in the western Pacific Ocean. Full article
(This article belongs to the Special Issue Deep-Sea Fish and Fisheries)
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17 pages, 3962 KiB  
Article
So Close Yet So Far: Age and Growth of Blue Antimora Antimora rostrata (Moridae, Gadiformes, Teleostei) off New Zealand and Macquarie Island (Southwestern Pacific Ocean)
by Nikolai B. Korostelev, Dirk C. Welsford, Vladimir V. Belyakov, Andrei G. Bush and Alexei M. Orlov
J. Mar. Sci. Eng. 2022, 10(7), 956; https://doi.org/10.3390/jmse10070956 - 12 Jul 2022
Cited by 3 | Viewed by 1963
Abstract
Age and growth of blue antimora Antimora rostrata were examined in the waters off New Zealand and Macquarie Island (southwestern Pacific). Samples off Macquarie Island were collected from bycatch in the Patagonian toothfish longline fishery. Individuals between 20 and 44 years in age [...] Read more.
Age and growth of blue antimora Antimora rostrata were examined in the waters off New Zealand and Macquarie Island (southwestern Pacific). Samples off Macquarie Island were collected from bycatch in the Patagonian toothfish longline fishery. Individuals between 20 and 44 years in age measured between 37.6–71.1 cm in total length. Bottom trawl catches from New Zealand waters consisted of smaller and younger fish (11 to 38 years), measuring 22.5–52.5 cm long. The age classes with the greatest numbers in the former area were represented by fish aged 33–34 years (25.7%). In the latter area, the most numerous age classes were 21–23 years (12.1%), 28–29 years (17.6%), and 32 years (6.6%). The blue antimora from off the Macquarie Island show similar growth rates to those of individual fish from the Ross, Lazarev and Weddell Seas, waters off the Kerguelen and Crozet Islands, and southeastern Greenland. Individuals from New Zealand waters demonstrate the slowest growth rates compared to other parts of the species’ range but are quite similar to individuals from the Flemish Cap area. Further research to identify the stock structure of this broadly distributed species is warranted to provide context to differences in growth rates observed between populations. Full article
(This article belongs to the Special Issue Deep-Sea Fish and Fisheries)
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25 pages, 2707 KiB  
Article
Lipids and Fatty Acids in Some Mesopelagic Fish Species: General Characteristics and Peculiarities of Adaptive Response to Deep-Water Habitat
by Viktor P. Voronin, Dmitrii V. Artemenkov, Alexei M. Orlov and Svetlana A. Murzina
J. Mar. Sci. Eng. 2022, 10(7), 949; https://doi.org/10.3390/jmse10070949 - 11 Jul 2022
Cited by 8 | Viewed by 2603
Abstract
The lipid and fatty acid composition of muscles of mesopelagic fish species Lampanyctus macdonaldi, Bathylagus euryops, Serrivomer beanii, Scopelogadus beanii in the Irminger Sea at deep range were studied. The contents of the total lipids (TLs), total phospholipids (PLs), monoacylglycerols [...] Read more.
The lipid and fatty acid composition of muscles of mesopelagic fish species Lampanyctus macdonaldi, Bathylagus euryops, Serrivomer beanii, Scopelogadus beanii in the Irminger Sea at deep range were studied. The contents of the total lipids (TLs), total phospholipids (PLs), monoacylglycerols (MAGs), diacylglycerols (DAGs), triacylglycerols (TAGs), cholesterol (Chol), Chol esters, non-esterified fatty acids (NEFAs), and wax esters were determined by HPTLC; the PL classes were determined by HPLC; and fatty acids (FAs) were determined using GC. It was found significant differences in lipid profile of the studied fishes: Chol esters and waxes were dominant in L. macdonaldii and S. beanii, fish species with diel vertical migrations (DVM), while TAGs were prevalent in B. euryops and Sc. Beanii—non-migratory species. It was revealed the species-specific differences in FAs profiles of the studied fish. Along with this, it was detected the similarity of FAs in fish, which is associated with food sources. A comparative analysis of lipids and FAs among L. macdonaldi and S. beanii collected in the Irminger Sea and L. alatus and S. beanii collected in the Tropic Seamount revealed similar biochemical strategies for the accumulation of certain lipids characterized the mesopelagic inhabit despite latitude differences of the area of study. Full article
(This article belongs to the Special Issue Deep-Sea Fish and Fisheries)
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13 pages, 2820 KiB  
Article
A New Species of Diaphus Associated with Seamounts of the Emperor Chain, North-Western Pacific Ocean (Teleostei: Myctophiformes: Myctophidae)
by Artem M. Prokofiev, Olga R. Emelyanova, Alexei M. Orlov and Svetlana Y. Orlova
J. Mar. Sci. Eng. 2022, 10(1), 65; https://doi.org/10.3390/jmse10010065 - 5 Jan 2022
Cited by 7 | Viewed by 2553
Abstract
A new species, Diaphus balanovi, is described based on 35 specimens collected over the Emperor Seamount Chain in the north-western Pacific Ocean. It belongs to the D. fulgens species complex and is most similar to D. kuroshio both morphologically and genetically. Nevertheless, [...] Read more.
A new species, Diaphus balanovi, is described based on 35 specimens collected over the Emperor Seamount Chain in the north-western Pacific Ocean. It belongs to the D. fulgens species complex and is most similar to D. kuroshio both morphologically and genetically. Nevertheless, the new species can be distinguished from D. kuroshio by its higher gill-rakers count, large luminous scale at PLO, large Dn, somewhat higher position of SAO3, otolith shape, and larger absolute size. The CO1 mtDNA sequence of D. balanovi differs by 16 substitutions from that of D. kuroshio. Diaphus balanovi may represent a benthopelagic derivate of D. kuroshio endemic to the Emperor Seamounts. Full article
(This article belongs to the Special Issue Deep-Sea Fish and Fisheries)
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16 pages, 1650 KiB  
Article
Comparative Analysis of Lipids and Fatty Acids in Beaked Redfish Sebastes mentella Travin, 1951 Collected in Wild and in Commercial Products
by Svetlana A. Murzina, Viktor P. Voronin, Tatjana R. Ruokolainen, Dmitrii V. Artemenkov and Alexei M. Orlov
J. Mar. Sci. Eng. 2022, 10(1), 59; https://doi.org/10.3390/jmse10010059 - 4 Jan 2022
Cited by 9 | Viewed by 2717
Abstract
The lipid and fatty acid profile of muscles in beaked redfish, caught and fixed in the wild versus specimens from food supermarkets (“commercial”), were evaluated, as well as the health implications of this popular food for its consumers based on the calculation of [...] Read more.
The lipid and fatty acid profile of muscles in beaked redfish, caught and fixed in the wild versus specimens from food supermarkets (“commercial”), were evaluated, as well as the health implications of this popular food for its consumers based on the calculation of nutritional quality indexes. The contents of the total lipids (TLs), total phospholipids (PLs), monoacylglycerols (MAGs), diacylglycerols (DAGs), triacylglycerols (TAGs), cholesterol (Chol), Chol esters, non-esterified fatty acids (NEFAs), and wax esters were determined by HPTLC; the phosphatidylserine (PS), phosphatidylethanolamine (PE), phosphatidylinositol (PI), phosphatidylcholine (PC), and lysophosphatidylcholine (LysoPC) were determined by HPLC; and fatty acids of total lipids were determined using GC. The TL content was higher in commercial products due to DA and NEFAs, among PL fractions the content of LysoPC was also higher. The results indicated multidirectional processes of slight degradation of lipids in commercial products in comparison to wild. The flesh lipid quality index was lower due to EPA and DHA in commercial specimens while the index of thrombogenicity was significantly higher. The differences in the quantities of lipid classes between muscle biopsy regions in fish apparently corroborate the morphology and physiology of deep-water fish. Full article
(This article belongs to the Special Issue Deep-Sea Fish and Fisheries)
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Other

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9 pages, 1104 KiB  
Brief Report
Complete Mitochondrial DNA Genomes of Deep-Sea Eels Synaphobranchus brevidorsalis and S. affinis and New Record of S. brevidorsalis from the East Mariana Basin
by Jeonghoon Han, Han-Jun Kim, Kyun-Woo Lee and Young-Ung Choi
J. Mar. Sci. Eng. 2023, 11(4), 860; https://doi.org/10.3390/jmse11040860 - 19 Apr 2023
Cited by 1 | Viewed by 1550
Abstract
In this study, we document the first recorded range extension of the genus Synaphobranchus from the East Mariana Basin in the Western Pacific Ocean. We sequenced the complete mitochondrial (mt) genome of two deep-sea eels (Synaphobranchus brevidorsalis and S. affinis) collected [...] Read more.
In this study, we document the first recorded range extension of the genus Synaphobranchus from the East Mariana Basin in the Western Pacific Ocean. We sequenced the complete mitochondrial (mt) genome of two deep-sea eels (Synaphobranchus brevidorsalis and S. affinis) collected in the East Mariana Basin in the Western Pacific Ocean. The complete mt genomes of S. brevidorsalis and S. affinis were 16,686 bp and 16,677 bp in length, respectively, and consisted of 13 protein-coding genes, 22 tRNA genes, and two rRNA genes. Molecular phylogenetic analysis of the two deep-sea eel species was performed, based on the mt cytochrome c oxidase subunit I (COI) gene using the maximum likelihood method. The molecular phylogenetic tree demonstrated that S. brevidorsalis and S. affinis were congeneric species of S. brevidorsalis and S. affinis reported in previous studies with bootstrap values of 100% and 100%, respectively. This is the first report on the complete mt genomes of S. brevidorsalis and S. affinis collected in the East Mariana Basin in the Western Pacific Ocean. Overall, our study highlights the potential of molecular approaches in identifying species diversity and distribution in the Western Pacific Ocean. Full article
(This article belongs to the Special Issue Deep-Sea Fish and Fisheries)
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