Biological characteristics of one Pteria sternapopulation (Bivalvia: Pteriidae) from Zorritos, Tumbes, Peru

Authors

  • Elmer Ordinola IMARPE, Instituto del Mar del Perú – Laboratorio Costero de Tumbes, Calle José Olaya S/N, C.P. Nueva Esperanza, Zorritos, Contralmirante Villar, Tumbes.
  • Solange Alemán IMARPE, Instituto del Mar del Perú – Laboratorio Costero de Tumbes, Calle José Olaya S/N, C.P. Nueva Esperanza, Zorritos, Contralmirante Villar, Tumbes.
  • Manuel Vera IMARPE, Instituto del Mar del Perú – Laboratorio Costero de Tumbes, Calle José Olaya S/N, C.P. Nueva Esperanza, Zorritos, Contralmirante Villar, Tumbes.

DOI:

https://doi.org/10.15381/rpb.v20i2.2689

Keywords:

Pearl shell, sizes, spawning, yield, Zorritos, Peru.

Abstract

Between April and November 2011 was analyzed a population of Pteria sterna (Gould, 1851) which was attached to a sunken purse seine in Zorritos, Tumbes, Peru (3º40'30.7"S - 80°40'20.8"W). Individuals presented from 5 to 94 mm valve height. The average size increased towards the end of the assessment period. The size structure indicated the presence of recruits in most months evaluated, with highest in April and August. There were five age groups. The sex ratio was 1:1. The spawns were continuous, except in June, with highest in November. Valvar height-total weight relationship did not differ by sex. The growth of this species was negative allometric. Other relationships (potential: body weight-total weight, and linear: body weight-total weight and muscle weight-total weight) showed high correlations. Muscle performance accounted for 6.3% of the total weight.

Downloads

Download data is not yet available.

Downloads

Published

08/19/2013

Issue

Vol. 20 No. 2 (2013)

Section

Articles

License

Copyright (c) 2013 Elmer Ordinola, Solange Alemán, Manuel Vera

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

AUTHORS RETAIN THEIR RIGHTS:

a. Authors retain their trade mark rights and patent, and also on any process or procedure described in the article.

b. Authors retain their right to share, copy, distribute, perform and publicly communicate their article (eg, to place their article in an institutional repository or publish it in a book), with an acknowledgment of its initial publication in the Revista Peruana de Biologia.

c. Authors retain theirs right to make a subsequent publication of their work, to use the article or any part thereof (eg a compilation of his papers, lecture notes, thesis, or a book), always indicating its initial publication in the Revista Peruana de Biologia (the originator of the work, journal, volume, number and date).

How to Cite

Ordinola, Elmer, Solange Alemán, and Manuel Vera. 2013. “Biological Characteristics of One Pteria Sternapopulation (Bivalvia: Pteriidae) from Zorritos, Tumbes, Peru”. Revista Peruana De Biología 20 (2): 181-86. https://doi.org/10.15381/rpb.v20i2.2689.