WEIGHT-LENGTH RELATIONSHIP OF DEMERSAL FISH OF BAIA SUL, FLORIANÓPOLIS, SANTA CATARINA STATE, BRAZIL

Autores/as

  • Ana Carolina dos Passos Universidade Federal do Espírito Santo, Programa de Pós-Graduação em Oceanografia Ambiental, Departamento de Oceanografia. CEP 29075910, Vitória, ES, Brasil.
  • Beatriz Fernanda Chinchilla Cartagena Universidade Federal do Pará, Pós Graduação em Biologia Ambiental, Instituto de Estudos Costeiros. CEP 68600000, Bragança, PA, Brasil.
  • Mauricio Hostim Silva Universidade Federal do Espírito Santo - CEUNES – DCBA - Rodovia BR 101 Norte, Km. 60 - CEP 29932-540 - São Mateus/ES – Brasil.
  • Matheus Oliveira Freitas Programa de Pós Graduação em Ecologia e Conservação. Setor de Ciências Biológicas, Universidade Federal do Paraná. Caixa Postal 19031, CEP 81531-980, Curitiba, PR.
  • Henry Louis Spach Universidade Federal do Paraná - Setor de Ciências da Terra - Centro de Estudos do Mar. Av. Beira Mar, s/n - Pontal do Sul – CEP 83255-000 - Pontal do Paraná/PR – Brasil.

DOI:

https://doi.org/10.32360/acmar.v50i1.18830

Palabras clave:

demersal fish, LWR, South Brazil.

Resumen

This work presents the weight-length relationship of 35 species of fish belonging to 27 families. The samples were carried out bimonthly from 2001 to 2003 using seines in Saco dos Limões, Baia Sul, Florianópolis, Santa Catarina state, Brazil. The total weight (TW) and total length (TL) data of the species with n ≥ 30 were log-transformed and plotted graphically to identify and remove outliers. The regression analysis was performed to define parameters a and b, from which the weight-length relationship of each species was verified. Growth type determination were classified according to three types: isometric (19 species), positive allometric (12) and negative allometric (4). The weight-length relationship estimate of two species is presented for the first time in Brazil, bringing new information on the life history of species, as well as important results for the evaluation of regional fishery. 

Descargas

Publicado

2017-12-14

Número

Sección

Artigos originais