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Biometric relationships between body size and otolith size in 15 demersal marine fish species from the northern Brazilian coast
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.
  • OLIVEIRA, Rory Romero de Sena; Universidade Federal do Pará. BR
  • ANDRADE, Marcelo Costa; Universidade Federal do Pará. BR
  • MACHADO, Fabiola Seabra; Universidade Federal do Pará. BR
  • CUNHA, Élida Jesana Santana; Universidade Federal do Pará. BR
  • FREITAS, Flaviane Souto de; Universidade Federal do Pará. BR
  • KLAUTAU, Alex Garcia Cavalleiro de Macedo; Instituto Chico Mendes de Conservação da Biodiversidade. BR
  • GIARRIZZO, Tommaso; Universidade Federal do Pará. BR
  • SAINT-PAUL, Ulrich; Leibniz-Zentrum für Marine Tropenforschung. DE
Acta amaz ; 49(4): 299-306, out. - dez. 2019.
Article in English | LILACS | ID: biblio-1118948
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. (AU)
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Otolithic Membrane / Amazonian Ecosystem / Body Size / Fisheries / Gastrointestinal Contents Country/Region as subject: South America / Brazil Language: English Journal: Acta amaz Journal subject: Science Year: 2019 Type: Article Affiliation country: Brazil / Germany Institution/Affiliation country: Instituto Chico Mendes de Conservação da Biodiversidade/BR / Leibniz-Zentrum für Marine Tropenforschung/DE / Universidade Federal do Pará/BR

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Full text: Available Index: LILACS (Americas) Main subject: Otolithic Membrane / Amazonian Ecosystem / Body Size / Fisheries / Gastrointestinal Contents Country/Region as subject: South America / Brazil Language: English Journal: Acta amaz Journal subject: Science Year: 2019 Type: Article Affiliation country: Brazil / Germany Institution/Affiliation country: Instituto Chico Mendes de Conservação da Biodiversidade/BR / Leibniz-Zentrum für Marine Tropenforschung/DE / Universidade Federal do Pará/BR