Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast

ABSTRACT Length-weight (LWR) and length-length (LLR) relationships were described for three marine fish species Odontesthes argentinensis (Valenciennes, 1835), Urophycis brasiliensis (Kaup, 1858) and Brevoortia aurea (Spix & Agassiz, 1829) from the southwestern Atlantic Ocean coast, among sampli...

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Autores principales:	Biolé,Fernanda G., Volpedo,Alejandra V., Thompson,Gustavo A.
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2020
Materias:	Brevoortia aurea Odontesthes argentinensis Urophycis brasiliensis morphometrics relationship coastal fish southern Atlantic
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2020000300506
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spelling	oai:scielo:S0718-560X20200003005062020-07-23Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coastBiolé,Fernanda G.Volpedo,Alejandra V.Thompson,Gustavo A. Brevoortia aurea Odontesthes argentinensis Urophycis brasiliensis morphometrics relationship coastal fish southern Atlantic ABSTRACT Length-weight (LWR) and length-length (LLR) relationships were described for three marine fish species Odontesthes argentinensis (Valenciennes, 1835), Urophycis brasiliensis (Kaup, 1858) and Brevoortia aurea (Spix & Agassiz, 1829) from the southwestern Atlantic Ocean coast, among sampling sites between 36 and 38°S. These species have commercial importance in fisheries. Latitudinal change in LWR could suggest the existence of different subpopulations throughout their distribution ranges. A total of 2,167 specimens were collected between August 2015 and October 2018 using lift nets (mostly 10 mm mesh size) and fishing rods 100-200 m offshore. Both relationships were highly significant (P < 0.0001) for all species and produced robust coefficients of determination (R2 > 0.94). The latitudinal trend of a and b parameters of LWR showed different patterns for each species. This study provides a new maximum length for B. aurea and describes the variation of the regression parameters. New length-length relationships of these species were reported.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.48 n.3 20202020-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2020000300506en10.3856/vol48-issue3-fulltext-2371
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Brevoortia aurea Odontesthes argentinensis Urophycis brasiliensis morphometrics relationship coastal fish southern Atlantic
spellingShingle	Brevoortia aurea Odontesthes argentinensis Urophycis brasiliensis morphometrics relationship coastal fish southern Atlantic Biolé,Fernanda G. Volpedo,Alejandra V. Thompson,Gustavo A. Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast
description	ABSTRACT Length-weight (LWR) and length-length (LLR) relationships were described for three marine fish species Odontesthes argentinensis (Valenciennes, 1835), Urophycis brasiliensis (Kaup, 1858) and Brevoortia aurea (Spix & Agassiz, 1829) from the southwestern Atlantic Ocean coast, among sampling sites between 36 and 38°S. These species have commercial importance in fisheries. Latitudinal change in LWR could suggest the existence of different subpopulations throughout their distribution ranges. A total of 2,167 specimens were collected between August 2015 and October 2018 using lift nets (mostly 10 mm mesh size) and fishing rods 100-200 m offshore. Both relationships were highly significant (P < 0.0001) for all species and produced robust coefficients of determination (R2 > 0.94). The latitudinal trend of a and b parameters of LWR showed different patterns for each species. This study provides a new maximum length for B. aurea and describes the variation of the regression parameters. New length-length relationships of these species were reported.
author	Biolé,Fernanda G. Volpedo,Alejandra V. Thompson,Gustavo A.
author_facet	Biolé,Fernanda G. Volpedo,Alejandra V. Thompson,Gustavo A.
author_sort	Biolé,Fernanda G.
title	Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast
title_short	Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast
title_full	Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast
title_fullStr	Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast
title_full_unstemmed	Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast
title_sort	length-weight and length-length relationship for three marine fish species of commercial importance from southwestern atlantic ocean coast
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2020000300506
work_keys_str_mv	AT biolefernandag lengthweightandlengthlengthrelationshipforthreemarinefishspeciesofcommercialimportancefromsouthwesternatlanticoceancoast AT volpedoalejandrav lengthweightandlengthlengthrelationshipforthreemarinefishspeciesofcommercialimportancefromsouthwesternatlanticoceancoast AT thompsongustavoa lengthweightandlengthlengthrelationshipforthreemarinefishspeciesofcommercialimportancefromsouthwesternatlanticoceancoast
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Length-weight and length-length relationship for three marine fish species of commercial importance from southwestern Atlantic Ocean coast

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