Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico

Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico

A qualitative and quantitative study on infestation levels by macroparasites was carried out for six rockfish species of the genus Sebastes (S. constellatus, S. elongatus, S. rosaceus, S. umboxus, S. helvomaculatus and S. chlorostictus). This analysis was made on 220 specimens from commercial catche...

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Autores principales: Alvarado-Villamar, MR, Ruiz-Campos, G
Formato: Online
Lenguaje:eng
Publicado: Iniversidad Autónoma de Baja California 1992
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/882
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spelling oai:cienciasmarinas.com.mx:article-8822020-06-03T01:41:44Z Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico Estudio comparativo del grado de infestación de macroparásitos en seis espcies de Sebastes (Pisces, Scorpaenidae) de la costa noroccidental de Baja California, México Alvarado-Villamar, MR Ruiz-Campos, G n/a n/a A qualitative and quantitative study on infestation levels by macroparasites was carried out for six rockfish species of the genus Sebastes (S. constellatus, S. elongatus, S. rosaceus, S. umboxus, S. helvomaculatus and S. chlorostictus). This analysis was made on 220 specimens from commercial catches from Apri1 1989 to February 1990, in several localities along the northwestem coast of Baja California, Mexico, between Coronado Island and San Quintín Bay. The number of macroparasites on the different affected organs was analysed for each rockfish species, as well as for each size class and sex. The nematode (Anisakis sp.) and monogenea tremato de (Microcotyle sp.) were registered in all the species of rockfish but others, such as the anchar parasite copepod (Lemaea sp.) and digenea trematode (Opecoelus sp.), were of exclusive occurrence in S. umbrosus and S. rosaceus, respectively. Nematodes were the most dominant parasites in all the rockfish species, with an incidence percent of 82.4, followed by digenea trematodes (9.5%) and cestode worms (3.1%). The average number of macroparasites was different among the six rockfish species, being S. helvomaculatus the species with higher number of macroparasites. The average number of macroparasites between sexes was different for each rockfish species, except in S. constellatus. We did not register significant differences in the average number of parasites among size classes for each rockfish species. Un análisis cualitativo y cuantitativo del grado de infestación por manoparásitos fue realizado en seis especies ícticas de rocot del género Sebastes (S. constellatus, S. elongatus, S. rosaceus, S. umboxus, S. helvomaculatus y S. chlorostictus), basados en 220 especímenes capturados por pesca comercial de abril de 1989 a febrero de 1990, en diversas localidades de la costa noroccidental de Baja California, México, entre Isla Coronado y Bahía San Quintín. Para cada especie de rocot, se analizó el número de parásitos en los diferentes órganos afectados y se comparó entre clases de talla y sexos. El nematodo Anisakis sp. y el trematodo monogéneo Microcotyle sp. ocurrieron en todas las especies de rocot, y otros como el copépodo ancla Lemaea sp. y el trematodo digéneo Opecoelus sp., fueron exclusivos de S. umbnxus y S. rosaceus, respectivamente. Los nemátodos fueron el grupo dominante de helmintos parasitos en todas las especies de rocot, con un porcentaje de incidencia de 82.4, seguido por trematodos digéneos (9.5%) y cestodos (3.1%). El número promedio de parásitos difiere para las seis especies de rocot, siendo S. helvomaculatus la que registró una mayor incidencia. Asimismo, el número promedio de parásitos entre sexos es diferente para cada especie de rocot, excepto en S. constellatus. No se registraron diferencias significativas en el promedio de parásitos entre clases de talla de cada especie de rocot. Iniversidad Autónoma de Baja California 1992-03-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/882 10.7773/cm.v18i1.882 Ciencias Marinas; Vol. 18 No. 1 (1992); 79-92 Ciencias Marinas; Vol. 18 Núm. 1 (1992); 79-92 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/882/804
institution Ciencias Marinas
collection OJS
language eng
format Online
author Alvarado-Villamar, MR
Ruiz-Campos, G
spellingShingle Alvarado-Villamar, MR
Ruiz-Campos, G
Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico
author_facet Alvarado-Villamar, MR
Ruiz-Campos, G
author_sort Alvarado-Villamar, MR
title Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico
title_short Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico
title_full Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico
title_fullStr Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico
title_full_unstemmed Comparative study of the degree of incidence of macroparasites in six species of sebastes (Pisces, Scorpaenidae) from the northwestern coast of Baja California, Mexico
title_sort comparative study of the degree of incidence of macroparasites in six species of sebastes (pisces, scorpaenidae) from the northwestern coast of baja california, mexico
description A qualitative and quantitative study on infestation levels by macroparasites was carried out for six rockfish species of the genus Sebastes (S. constellatus, S. elongatus, S. rosaceus, S. umboxus, S. helvomaculatus and S. chlorostictus). This analysis was made on 220 specimens from commercial catches from Apri1 1989 to February 1990, in several localities along the northwestem coast of Baja California, Mexico, between Coronado Island and San Quintín Bay. The number of macroparasites on the different affected organs was analysed for each rockfish species, as well as for each size class and sex. The nematode (Anisakis sp.) and monogenea tremato de (Microcotyle sp.) were registered in all the species of rockfish but others, such as the anchar parasite copepod (Lemaea sp.) and digenea trematode (Opecoelus sp.), were of exclusive occurrence in S. umbrosus and S. rosaceus, respectively. Nematodes were the most dominant parasites in all the rockfish species, with an incidence percent of 82.4, followed by digenea trematodes (9.5%) and cestode worms (3.1%). The average number of macroparasites was different among the six rockfish species, being S. helvomaculatus the species with higher number of macroparasites. The average number of macroparasites between sexes was different for each rockfish species, except in S. constellatus. We did not register significant differences in the average number of parasites among size classes for each rockfish species.
publisher Iniversidad Autónoma de Baja California
publishDate 1992
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/882
_version_ 1715724023318446080

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