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Artikel ; Online: Identification of long-preserved specimens reveals the historical geographic range of the Patagonian lamprey Geotria macrostoma (Burmeister, 1868) in southern South America.

Riva Rossi, Carla / Renaud, Claude B / Quiroga, Pamela / Baker, Cindy F / Baigún, Claudio / Potter, Ian C / Neira, Francisco J / Morawicki, Santiago N / Solimano, Patricio

Journal of fish biology

2024

Abstract: The lamprey genus Geotria Gray, 1851 currently includes only two species: G. australis and G. macrostoma. However, taxonomic relationships within the genus have traditionally been ambiguous and difficult to establish due to the extreme changes in ... ...

Abstract	The lamprey genus Geotria Gray, 1851 currently includes only two species: G. australis and G. macrostoma. However, taxonomic relationships within the genus have traditionally been ambiguous and difficult to establish due to the extreme changes in morphology, dentition, and coloration that lampreys undergo during their life cycles, particularly during upstream migration and sexual maturation. Consequently, several lamprey specimens held in museum collections have remained unidentified, especially those from Argentina. In this study, a series of morphometric characters were subjected to discriminant function analysis (DFA) to identify the lamprey species collected during 1867-2004 from the de la Plata River and Patagonia. These specimens are housed at the Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" in Buenos Aires, the Museo de Historia Natural de Montevideo, and the Naturhistoriska riksmuseet in Stockholm. Based on the proportions of the length of the oral disc, prebranchial, and pre-caudal body regions, and the depth of the trunk, DFA provided conclusive evidence that the specimens corresponded to the recently revalidated G. macrostoma (Burmeister, 1868), which was originally incorrectly named as Petromyzon macrostomus Burmeister, 1868, Exomegas macrostomus (Berg, 1899), Geotria chilensis (Berg, 1895), and Geotria macrostoma f. gallegensis Smitt, 1901, as well as other nontype museum individuals of uncertain taxonomic status. The identifications of these long-preserved museum specimens provided key information on the historical geographic range of Argentinian lampreys and suggest that the disappearance of the species reported from northern localities (the Pampean Region) can be attributed to the degradation of their critical habitats, primarily caused by anthropogenic impact and climate change.
Sprache	Englisch
Erscheinungsdatum	2024-04-01
Erscheinungsland	England
Dokumenttyp	Journal Article
ZDB-ID	410564-3
ISSN	1095-8649 ; 0022-1112
ISSN (online)	1095-8649
ISSN	0022-1112
DOI	10.1111/jfb.15732
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel: On the invalid resurrection of the lamprey genus Exomegas Gill, 1883

Riva‐Rossi, Carla / Renaud, Claude B. / Neira, Francisco J. / Baigún, Claudio / Baker, Cindy F. / Quiroga, Pamela / Potter, Ian

Journal of fish biology. 2022 Mar., v. 100, no. 3

2022

Abstract: The lamprey genus Exomegas Gill, 1883, was erected on the assumption that it was distinguishable from Geotria Gray, 1851, by possessing three rather than two cusps on the transverse lingual lamina (TLL). Based on literature review and examination of ... ...

Abstract	The lamprey genus Exomegas Gill, 1883, was erected on the assumption that it was distinguishable from Geotria Gray, 1851, by possessing three rather than two cusps on the transverse lingual lamina (TLL). Based on literature review and examination of holotypes and new data, the authors reaffirm that the TLL of Geotria possesses two or three cusps in the adult stage. The reduction or disappearance of the middle cusp at the beginning or during the spawning run constitutes a key feature of Geotria. The resurrection of Exomegas by Firpo Lacoste, Fernández and Scioscia, Journal of Fish Biology, 2021, 1–6, 1507–1512, is therefore unjustified and not supported.
Schlagwörter	Geotria ; adults ; fish ; holotypes
Sprache	Englisch
Erscheinungsverlauf	2022-03
Umfang	p. 831-834.
Erscheinungsort	Blackwell Publishing Ltd
Dokumenttyp	Artikel
Anmerkung	JOURNAL ARTICLE
ZDB-ID	410564-3
ISSN	1095-8649 ; 0022-1112
ISSN (online)	1095-8649
ISSN	0022-1112
DOI	10.1111/jfb.14975
Datenquelle	NAL Katalog (AGRICOLA)

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Artikel ; Online: On the invalid resurrection of the lamprey genus Exomegas Gill, 1883.

Riva-Rossi, Carla / Renaud, Claude B / Neira, Francisco J / Baigún, Claudio / Baker, Cindy F / Quiroga, Pamela / Potter, Ian

Journal of fish biology

2021 Band 100, Heft 3, Seite(n) 831–834

Abstract	The lamprey genus Exomegas Gill, 1883, was erected on the assumption that it was distinguishable from Geotria Gray, 1851, by possessing three rather than two cusps on the transverse lingual lamina (TLL). Based on literature review and examination of holotypes and new data, the authors reaffirm that the TLL of Geotria possesses two or three cusps in the adult stage. The reduction or disappearance of the middle cusp at the beginning or during the spawning run constitutes a key feature of Geotria. The resurrection of Exomegas by Firpo Lacoste, Fernández and Scioscia, Journal of Fish Biology, 2021, 1-6, 1507-1512, is therefore unjustified and not supported.
Mesh-Begriff(e)	Animals ; Fishes ; Gills ; Lampreys
Sprache	Englisch
Erscheinungsdatum	2021-12-20
Erscheinungsland	England
Dokumenttyp	Journal Article ; Review
ZDB-ID	410564-3
ISSN	1095-8649 ; 0022-1112
ISSN (online)	1095-8649
ISSN	0022-1112
DOI	10.1111/jfb.14975
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel ; Online: Inland recreational fisheries contribute nutritional benefits and economic value but are vulnerable to climate change.

Nature food

2024

Abstract: Inland recreational fishing is primarily considered a leisure-driven activity in freshwaters, yet its harvest can contribute to food systems. Here we estimate that the harvest from inland recreational fishing equates to just over one-tenth of all ... ...

Abstract	Inland recreational fishing is primarily considered a leisure-driven activity in freshwaters, yet its harvest can contribute to food systems. Here we estimate that the harvest from inland recreational fishing equates to just over one-tenth of all reported inland fisheries catch globally. The estimated total consumptive use value of inland recreational fish destined for human consumption may reach US$9.95 billion annually. We identify Austria, Canada, Germany and Slovakia as countries above the third quantile for nutrition, economic value and climate vulnerability. These results have important implications for populations dependent on inland recreational fishing for food. Our findings can inform climate adaptation planning for inland recreational fisheries, particularly those not currently managed as food fisheries.
Sprache	Englisch
Erscheinungsdatum	2024-05-13
Erscheinungsland	England
Dokumenttyp	Journal Article
ISSN	2662-1355
ISSN (online)	2662-1355
DOI	10.1038/s43016-024-00961-8
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel: Increased geographical distribution and richness of non-native freshwater fish species in Argentina: evidence from a literature review

Espínola, Luis Alberto / Rabuffetti, Ana Pia / Carrara, Natalia / Abrial, Elie / Ferlay, Elise Mathilde Charlotte / Yoya, Federico / Blettler, Martín Cesar Maria / Baigún, Claudio / Wantzen, Karl Matthias / dos Santos, Luciano Neves

Biological invasions. 2022 June, v. 24, no. 6

2022

Abstract: The present study is a full review of the non-native freshwater fish species introduced into Argentina and their relationship to the main environmental features and introduction vectors of each freshwater ecoregion. The total number of non-native ... ...

Abstract	The present study is a full review of the non-native freshwater fish species introduced into Argentina and their relationship to the main environmental features and introduction vectors of each freshwater ecoregion. The total number of non-native freshwater fish species was compiled through a literature survey; information on spatial–temporal patterns of species records and invasion vectors was retrieved for all ten freshwater ecoregions of Argentina. Our survey revealed that 18–22 non-native fish species had been recorded up to 1999, and a total of 40 introduced fish species, of which 18 are invasive and five potentially invasive, had been registered in seven Argentinean ecoregions as of May 2020. According to georeferenced records, the rainbow trout Oncorhynchus mykiss and common carp Cyprinus carpio were the non-native fish species with the greatest number of records and largest invaded areas, probably due to their species-specific ecological traits. Invasive fish species differed clearly between the Patagonia, Lower Paraná, and Lower Uruguay ecoregions, probably because of a combination of the environmental conditions, structure of native assemblages, and invasion pathways in each ecoregion. Except for the recognized impact of non-native salmonids, the adverse effects of introduced fish species have been little studied, indicating the need for further research to clarify the role of ecological shifts triggered by the introduction and establishment of non-native fish species in Argentina. In contrast to the high diversity of aquatic species and freshwater environments, the spread and impact of invasive fish species in Argentina is little known, particularly compared with other South American countries.
Schlagwörter	Cyprinus carpio ; Oncorhynchus mykiss ; ecoregions ; freshwater ; freshwater fish ; geographical distribution ; georeferencing ; introduced species ; invasive species ; surveys ; Argentina ; Uruguay
Sprache	Englisch
Erscheinungsverlauf	2022-06
Umfang	p. 1611-1634.
Erscheinungsort	Springer International Publishing
Dokumenttyp	Artikel
ZDB-ID	1438729-3
ISSN	1573-1464 ; 1387-3547
ISSN (online)	1573-1464
ISSN	1387-3547
DOI	10.1007/s10530-022-02742-5
Datenquelle	NAL Katalog (AGRICOLA)

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Artikel ; Online: Overturning stereotypes: The fuzzy boundary between recreational and subsistence inland fisheries

Nyboer, Elizabeth A. / Embke, Holly S. / Robertson, Ashley M. / Arlinghaus, Robert / Bower, Shannon / Baigun, Claudio / Beard, Douglas / Cooke, Steven J. / Cowx, I. G. / Koehn, John D. / Lyach, Roman / Milardi, M. / Potts, Warren / Lynch, Abigail J.

Fish and Fisheries. 2022 Nov., v. 23, no. 6 p.1282-1298

2022

Abstract: Inland recreational fisheries provide numerous socio‐economic benefits to fishers, families and communities. Recreationally harvested fish are also frequently consumed and may provide affordable and sustainable but undervalued contributions to human ... ...

Abstract	Inland recreational fisheries provide numerous socio‐economic benefits to fishers, families and communities. Recreationally harvested fish are also frequently consumed and may provide affordable and sustainable but undervalued contributions to human nutrition. Quantifying the degree to which recreationally harvested fish contribute to food security and subsistence is impeded by lack of data on harvest and consumption and by the difficulty in differentiating among recreational and subsistence fisheries. Recreational harvest records tend to be limited to wealthy, food‐secure countries and well‐monitored fisheries with clear regulations or permitting systems. These records often neglect components of recreational harvest among food‐insecure fishers who are potentially more likely to have consumption as a motivation. Here, we highlight the ‘fuzzy boundary’ that can exist between inland recreational and subsistence fisheries and argue that unreported consumption is likely to be a hidden contributor to food security in some populations. We draw on local case studies from around the world to highlight specific instances where recreationally harvested fish species contribute food and subsistence benefits to participating communities. We use these examples to highlight the diversity of ways that inland recreational fisheries contribute to human nutrition, knowledge gaps in understanding recreational fishing for food, and consequences of not accounting for them as food fisheries in policy and management. The aim of this paper is to draw the attention of resource managers and policy makers, create greater social awareness of the importance of recreational fisheries and bring to light this hidden contribution of inland fisheries to nutrition and subsistence.
Schlagwörter	fish ; food security ; human nutrition ; issues and policy ; motivation ; socioeconomics
Sprache	Englisch
Erscheinungsverlauf	2022-11
Umfang	p. 1282-1298.
Erscheinungsort	John Wiley & Sons, Ltd
Dokumenttyp	Artikel ; Online
Anmerkung	JOURNAL ARTICLE
ZDB-ID	2024569-5
ISSN	1467-2979 ; 1467-2960
ISSN (online)	1467-2979
ISSN	1467-2960
DOI	10.1111/faf.12688
Datenquelle	NAL Katalog (AGRICOLA)

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Artikel: Population responses of common carp Cyprinuscarpio to floods and droughts in the Pampean wetlands of South America

Maiztegui, Tomás / Baigún, Claudio R.M / Souza, Javier R. Garcia de / Olaf L.F. Weyl / Colautti, Darío C

NeoBiota. 2019 July 02, v. 48

2019

Abstract: Common carp (Cyprinuscarpio) is a global invader that exhibits a wide distribution in Argentina, particularly in shallow lakes and wetlands of the Pampean region. The hydrological conditions of these environments are driven by variations in annual ... ...

Abstract	Common carp (Cyprinuscarpio) is a global invader that exhibits a wide distribution in Argentina, particularly in shallow lakes and wetlands of the Pampean region. The hydrological conditions of these environments are driven by variations in annual precipitation that determine inter annual changes in water levels leading to flood-drought cycles. The present study focused on understanding the C.carpio population responses to annual rainfall regime and long-term flood and drought events in the Ajó wetlands located in the east of the Pampean region. The results of a two-year biological sampling program showed that C.carpio feeding rate, reproduction, condition, and recruitment were associated with the hydrological cycle. Otolith derived age structure of the population and back-calculated recruitment strength revealed that extraordinary flooding events generated strong cohorts while dry years resulted in low recruitment. Its long-life span (maximum 14 years in Ajó) coupled with a high fecundity, and broad diet allows C.carpio to persist in refugia during dry years and capitalize on wet years when inundation of the floodplain enhances recruitment and facilitates spread. Management and control strategies for this invader should therefore incorporate hydrological variability by promoting intensive removal campaigns during dry years when populations are dominated by large fish confined in remnant water-bodies and, during wet years, carp harvest fisheries should be promoted to reduce population density when increased connectivity is likely to facilitate spread.
Schlagwörter	Cyprinus carpio ; age structure ; carp ; diet ; drought ; fecundity ; fisheries ; floodplains ; floods ; hydrologic cycle ; invasive species ; lakes ; otoliths ; population density ; rain ; refuge habitats ; surface water ; wetlands ; Argentina
Sprache	Englisch
Erscheinungsverlauf	2019-0702
Umfang	p. 25-44.
Erscheinungsort	Pensoft Publishers
Dokumenttyp	Artikel
ZDB-ID	2628537-X
ISSN	1314-2488 ; 1619-0033
ISSN (online)	1314-2488
ISSN	1619-0033
DOI	10.3897/neobiota.48.34850
Datenquelle	NAL Katalog (AGRICOLA)

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Artikel ; Online: Revalidation of the Argentinian pouched lamprey Geotria macrostoma (Burmeister, 1868) with molecular and morphological evidence.

Riva-Rossi, Carla / Barrasso, Diego Andrés / Baker, Cindy / Quiroga, Analía Pamela / Baigún, Claudio / Basso, Néstor Guillermo

PloS one

2020 Band 15, Heft 5, Seite(n) e0233792

Abstract: Background: The Argentinian pouched lamprey, classified as Petromyzon macrostomus Burmeister, 1868 was first described in 1867 in De La Plata River, in Buenos Aires, Argentina, and subsequently recorded in several rivers from Patagonia. Since its ... ...

Abstract	Background: The Argentinian pouched lamprey, classified as Petromyzon macrostomus Burmeister, 1868 was first described in 1867 in De La Plata River, in Buenos Aires, Argentina, and subsequently recorded in several rivers from Patagonia. Since its original description, the validity of P. macrostomus was questioned by several ichthyologists and 36 years after its original discovery it was considered a junior synonym of Geotria australis Gray, 1851. For a long time, the taxonomic status of G. australis has been uncertain, largely due to the misinterpretations of the morphological alterations that occur during sexual maturation, including the arrangement of teeth, size and position of fins and cloaca, and the development of an exceptionally large gular pouch in males. In this study, the taxonomic status of Geotria from across the "species" range was evaluated using both molecular analysis and examination of morphological characteristics. Methodology/principal findings: Phylogenetic and species delimitation analyses based on mitochondrial DNA sequences of Cytochrome b (Cyt b) and Cytochrome C Oxidase Subunit 1 (COI) genes, along with morphological analysis of diagnostic characters reported in the original descriptions of the species were used to assess genetic and morphological variation within Geotria and to determine the specific status of the Argentinian lamprey. These analyses revealed that Geotria from Argentina constitutes a well differentiated lineage from Chilean and Australasian populations. The position of the cloaca and the distance between the second dorsal and caudal fins in sub-adult individuals, and at previous life stages, can be used to distinguish between the two species. In addition, the genetic distance between G. macrostoma and G. australis for the COI and Cyt b mitochondrial genes is higher than both intra- and inter-specific distances reported for other Petromyzontiformes. Conclusions/significance: Our results indicate that the Argentinian pouched lamprey, found along a broad latitudinal gradient on the south-west Atlantic coast of South America, should be named as Geotria macrostoma (Burmeister, 1868) and not as G. australis Gray 1851, returning to its earliest valid designation in Argentina. Geotria macrostoma can now be considered as the single lamprey species inhabiting Argentinian Patagonia, with distinct local adaptations and evolutionary potential. It is essential that this distinctiveness is recognized in order to guide future conservation and management actions against imminent threats posed by human actions in the major basins of Patagonia.
Mesh-Begriff(e)	Animal Fins/anatomy & histology ; Animals ; Argentina ; Cloaca/anatomy & histology ; DNA, Mitochondrial/genetics ; Lampreys/anatomy & histology ; Lampreys/classification ; Lampreys/genetics ; Phylogeny ; Rivers
Chemische Substanzen	DNA, Mitochondrial
Sprache	Englisch
Erscheinungsdatum	2020-05-29
Erscheinungsland	United States
Dokumenttyp	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2267670-3
ISSN	1932-6203 ; 1932-6203
ISSN (online)	1932-6203
ISSN	1932-6203
DOI	10.1371/journal.pone.0233792
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel: First report on a pupping area of the tope shark Galeorhinus galeus (Carcharhiniformes, Triakidae) in the south‐west Atlantic

Bovcon, Nelson D. / Cochia, Pablo D. / Navoa, Ximena / Ledesma, Pablo / Caille, Guillermo M. / Baigun, Claudio R. M.

Journal of fish biology. 2018 Dec., v. 93, no. 6

2018

Abstract: Neonates of the tope shark Galeorhinus galeus are captured in sport and recreational coastal fisheries from January to April each year in Engaño Bay (42° 58′–43° 41′ S), Chubut, Argentina. The presence of these neonates is the first evidence of a pupping ...

Abstract	Neonates of the tope shark Galeorhinus galeus are captured in sport and recreational coastal fisheries from January to April each year in Engaño Bay (42° 58′–43° 41′ S), Chubut, Argentina. The presence of these neonates is the first evidence of a pupping area for this shark in the south‐west Atlantic Ocean. Knowledge of the pupping areas of chondrichthyans is important for establishing conservation measures and appropriate fishing regulations.
Schlagwörter	Triakidae ; sharks ; sports ; Argentina ; Atlantic Ocean
Sprache	Englisch
Erscheinungsverlauf	2018-12
Umfang	p. 1229-1232.
Erscheinungsort	Blackwell Publishing Ltd
Dokumenttyp	Artikel
Anmerkung	JOURNAL ARTICLE
ZDB-ID	410564-3
ISSN	1095-8649 ; 0022-1112
ISSN (online)	1095-8649
ISSN	0022-1112
DOI	10.1111/jfb.13781
Datenquelle	NAL Katalog (AGRICOLA)

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Artikel: From Amazon Catfish to Mekong Money Fish: Size‐based Assessment of Data‐Limited Commercial Inland Fisheries

Shephard, Samuel / Valbo-Jorgensen, John / Abadía, Jorge / Baigún, Claudio / Doria, Carolina R.C. / Fabré, Nidia N. / Isaac, Victoria J. / Bun Ngor, Peng / Ruffino, Mauro L. / Funge-Smith, Simon

Fisheries. 2021 Apr., v. 46, no. 4

2021

Abstract: Inland fisheries are often complex, spatially dispersed, and seasonal. A lack of monitoring can result in unreliable or incomplete catch data, suggesting a role for assessment methods based on population size structure. This paper evaluates and compares ... ...

Abstract	Inland fisheries are often complex, spatially dispersed, and seasonal. A lack of monitoring can result in unreliable or incomplete catch data, suggesting a role for assessment methods based on population size structure. This paper evaluates and compares empirical size‐based indicators and the length‐based spawning potential ratio model as candidate tools for assessing data‐limited commercial fisheries in inland systems. Case study applications are presented for a contrasting set of important fisheries in the Amazon Basin (Brazil, Bolivia, Colombia, and Peru), the Tonlé Sap River (Cambodia), Paraná River (Argentina), and Bayano Reservoir (Panama). These case studies were selected to explore the effects on assessment of factors including lack of life history information, spatial separation of life history stages, modality in population size structure of floodplain river fish, and fishing gear selectivity. An international workshop was organized to bring together experts from the study systems and elsewhere to discuss the results, and to highlight potential issues and caveats. It was concluded that length‐based models may work well in cases where size‐selective gears are used to target a few larger species with reliable life history parameter estimates. Empirical surveillance indicators are more flexible for integrating quantitative data with local expert knowledge in common data‐poor situations. In general, size‐based assessment can provide guidance for the sustainable management of target species in diverse inland fisheries.
Schlagwörter	basins ; case studies ; catfish ; expert opinion ; floodplains ; life history ; models ; monitoring ; population size ; rivers ; Argentina ; Bolivia ; Brazil ; Cambodia ; Colombia ; Panama ; Peru
Sprache	Englisch
Erscheinungsverlauf	2021-04
Umfang	p. 170-187.
Erscheinungsort	John Wiley & Sons, Ltd
Dokumenttyp	Artikel
Anmerkung	JOURNAL ARTICLE
ZDB-ID	430448-2
ISSN	0363-2415
ISSN	0363-2415
DOI	10.1002/fsh.10553
Datenquelle	NAL Katalog (AGRICOLA)

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