Publications des scientifiques de l'IRD

Conand François, Camara S.B., Domain François. (1995). Age and growth of three species of Ariidae (Siluriformes) in coastal waters of Guinea. Bulletin of Marine Science, 56 (1), p. 58-67. ISSN 0007-4977.

Titre du document
Age and growth of three species of Ariidae (Siluriformes) in coastal waters of Guinea
Année de publication
1995
Type de document
Article
Auteurs
Conand François, Camara S.B., Domain François
Source
Bulletin of Marine Science, 1995, 56 (1), p. 58-67 ISSN 0007-4977
The growth of three West African marine catfish, Arius heudeloti, A. parkii, A. latiscutatus (Siluriformes, Ariidae), was studied in Guinea by examining sections of the first dorsal spine. Age and growth interpretations were possible for fish up to 40 cm and the three species reveal a similar biology. A single annulus is formed each year at the beginning of the rainy season. Growth seems to be slow, and 40 cm fork length individuals are about 6 years old. Three ariids can reach large sizes (80 cm or larger), which may indicate that the natural mortality is low. This adaptativeness is probably related to their strong body protection against predators, their low fecundity and egg incubation. (Résumé d'auteur)
Plan de classement
Biologie [020BIOL]
Descripteurs
POISSON MARIN ; AGE PHYSIOLOGIQUE ; CROISSANCE ; METHODOLOGIE ; POISSON CHAT
Description Géographique
GUINEE
Localisation
Fonds IRD [F B42366] ; Montpellier (Centre IRD)
Identifiant IRD
fdi:42366
Contact