Trophic comparison among Triglidae (Pisces: Scorpaeniformes) off Baja California Sur, Mexico

 

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Bibliographische Detailangaben
Autoren: Schmitter-Soto, Juan Jacobo, Castro-Aguirre, José Luis
Format: artículo original
Status:Versión publicada
Publikationsdatum:1996
Beschreibung:Composition, intensity, diversity, ontogenetic and seasonal changes of feeding of Prionotus stephanophrys, Bellator gymnostethus and P. albirostris were studied in the Pacific coast of Baja California Sur, Mexico. A total of 547 individuals of the three species were sampled between 1988 and 1990. The euphausiid Nyctiphanes simplex was the main prey of B.gymnostethus, which caught it during the day, and of P. stephanophrys, which ate it at night and twilight; latger individuals of P. stephanophrys shifted to Pleuroncodes planipes, a change that coincided with (he fish' shift from the pelagic to the benthic environment. Feeding intensity of this searobin was higher in summer, after reproduction. P. albirostris fed throughout the day; its diet, more diverse and equitable, was based on penaeids, pasiphaeids, and mysids. Differences in spatial distribution, diet and time of feeding suggested efficient habitat partitioning among these fishes,
Land:Portal de Revistas UCR
Institution:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Sprache:Inglés
OAI Identifier:oai:portal.ucr.ac.cr:article/21723
Online Zugang:https://revistas.ucr.ac.cr/index.php/rbt/article/view/21723
Stichwort:triglidae
prionotus stephanophrys
bellator gymnostethus
prionotus albirostris
food habits
habitat pattitioning
eastern pacifico