Spatial and seasonal distribution of the hermit crab Pagurus exilis (Benedict, 1982) (Decapoda: Paguridae) in the southwestern coast of Brazil

Este estudio tuvo por objetivo determinar la distribucion espacial y temporal del cangrejo ermitano Pagurus exilis en la region de Caraguatatuba, caracterizando la abundancia y distribucion en funcion de la estacion del ano y profundidad. Se determinaron las relaciones entre los individuos y algunos factores abioticos (temperatura, salinidad, profundidad, concentracion de materia organica y textura del sedimento). Las capturas fueron realizadas mensualmente, entre julio de 2001 y junio de 2003, en siete profundidades (5, 10, 15, 20, 25, 30 y 35 m), utilizando dos redes de arrastres. Se obtuvo un total de 1960 individuos de P. exilis, incluyendo 1369 (69,9%) machos, 304 (15,5%) hembras no ovigeras y 287 (14,6%) hembras ovigeras. Los animales estuvieron distribuidos entre 15 y 35 m de profundidad y ausentes en 5 m. La mayor cantidad de individuos (40,6%) fue obtenida durante el invierno y asi como 57,8% de las hembras ovigeras. La presencia de Pagurus exilis parece estar relacionada con la combinacion de algunos factores abioticos tales como profundidad (15 y 35 m), alta salinidad (34 a 37 psu), temperatura baja (18 a 24oC), y concentracion de materia organica entre 1 y 9%.

• Publication year

  2006

• Venue

  Revista De Biologia Marina Y Oceanografia

• Publication date

  2006-07-01

• Fields of study

  Not labeled

• Identifiers
  DOI 10.4067/S0718-19572006000100011
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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