Sexualidad y reproducción del raspallón Diplodus annularis (L., 1758) (Pisces, Sparidae) en Gran Canaria (islas Canarias)
A study on the sexuality and reproduction of annular seabream Diplodus annularis (L., 1758) was conducted, based on data from 792 individuals caught off Gran Canaria (Canary Islands) between January 1998 and December 1999. The size range was 79 mm to 209 mm total length. The sexual type is proterand...
| Autores: | , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Fecha de publicación: | 2001 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/325893 |
| Acceso en línea: | http://hdl.handle.net/10261/325893 |
| Access Level: | acceso abierto |
| Palabra clave: | Pesquerías Raspallón Diplodus annularis tipología sexual Proporción de sexos periodo reproductor maduración Gran Canaria islas Canarias |
| Sumario: | A study on the sexuality and reproduction of annular seabream Diplodus annularis (L., 1758) was conducted, based on data from 792 individuals caught off Gran Canaria (Canary Islands) between January 1998 and December 1999. The size range was 79 mm to 209 mm total length. The sexual type is proterandric hermaphroditism. Males were more abundant than females (1:0.78) in the sample, with males predominating in smaller size intervals, and females in larger ones. The spawning period extended from February to May, with a peak in March-April. The length at first maturity was 102 mm for males, and 126 mm for females. |
|---|