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Provedor de dados:  Acta Amazonica
País:  Brazil
Título:  Biometric relationships between body size and otolith size in 15 demersal marine fish species from the northern Brazilian coast
Autores:  OLIVEIRA,Rory Romero de Sena
ANDRADE,Marcelo Costa
MACHADO,Fabiola Seabra
CUNHA,Élida Jesana Santana
FREITAS,Flaviane Souto de
KLAUTAU,Alex Garcia Cavalleiro de Macedo
GIARRIZZO,Tommaso
SAINT-PAUL,Ulrich
Data:  2019-12-01
Ano:  2019
Palavras-chave:  Amazon delta
Bycatch
Sagitta
Neotropics
Sciaenidae
Stomach content
Resumo:  ABSTRACT The relationships between fish size and sagitta otolith measurements were calculated for the first time for 15 species belonging to six families from the northern Brazilian coast. A total of 220 fish were sampled from the bycatch landed by the bottom-trawl industrial shrimp-fishing fleet between August and September 2016. All species had strong relationships between otolith measurements and fish total length with the coefficient of determination (r 2) ranging between 0.71 and 0.99. The variable most strongly related to fish total length was found to be the sagittal otolith length (OL) with 98% of the variability. These relationships are a useful tool to estimate length and mass of preyed fish from otoliths found in stomach contents of marine predators.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672019000400299
Editor:  Instituto Nacional de Pesquisas da Amazônia
Relação:  10.1590/1809-4392201900571
Formato:  text/html
Fonte:  Acta Amazonica v.49 n.4 2019
Direitos:  info:eu-repo/semantics/openAccess
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