Artículo Científico

Neotrop. Helminthol., 5(2), 2011
2011 Asociación Peruana de Helmintología e Invertebrados Afines (APHIA)
Versión Impresa: ISSN 2218-6425 / Versión Electrónica: ISSN 1995-1043

ORIGINAL ARTICLE/ ARTÍCULO CIENTÍFICO
DINÁMICA POBLACIONAL DE LOS PARÁSITOS METAZOOS DEL PEZ GUITARRA DEL
PACÍFICO RHINOBATOS PLANICEPS (BATOIDEA: RAJIFORMES) DE LA ZONA COSTERA
MARINA DE LIMA, PERÚ
POPULATIONDYNAMICS OF METAZOAN PARASITES OF PACIFIC GUITAR FISH
RHINOBATOS PLANICEPS (BATOIDEA: RAJIFORMES) OF THE COASTAL MARINE ZONE OF
LIMA, PERU
Iannacone, José1,2, José Avila-Peltroche11, Stefany Rojas-Perea1, Marysabel Salas- Sierralta1, Karen Neira-Cruzado1, Rebeca 1
Palomares-Torres1, Sofía Valdivia-Alarcón , Alejandro Pacheco-Silva1, Verónica Benvenutto-Vargas1 & Valeria Ferrario-Bazalar
1Laboratorio de Invertebrados- Museo de Historia Natural. Facultad de Ciencias Biológicas. Universidad Ricardo Palma. Av.
Benavides 5440, Lima 33, Perú.
2
Laboratorio de Ecofisiología Animal. Facultad de Ciencias Naturales y Matemática. Universidad Nacional Federico Villarreal. Av.
Rio de Chepén, s/n. Bravo Chico. El Agustino. Lima, Perú.
joseiannacone@gmail.com
Citación sugerida: Iannacone, J.,Avila-Peltroche, J., Rojas-Perea, S., Salas- Sierralta, M., Neira-Cruzado, K., Palomares-Torres, R.,
Valdivia-Alarcón, S., Pacheco-Silva, A., Benvenutto-Vargas, V & Ferrario-Bazalar, V. 2011. Dinámica poblacional de los parásitos
metazoos del pez guitarra del pacífico Rhinobatos planiceps (Batoidea: Rajiformes) de la zona costera marina de Lima, Perú.
Neotropical Helminthology, Vol. 5, Nº2, pp.265-278.

Abstract
Thirty-six specimens of Rhinobatos planiceps (Garman, 1880) "Pacific guitar fish" were acquired from
the Chorrillos Fishmarket, Lima, Peru between September 2009 and August 2010 to assess the
population dynamics of parasitic metazoa. Of the fish examined, 14 were females and 22 were males.
The fish had an average total length of 85.0 ± 19.3 cm (27 to 125). Metazoan parasiteswere collected
and counted using standard parasitological protocols. The parasite assemblage recorded a higher
percentage of endoparasites than ectoparasites. All hosts showed infection with at least one parasitic
species. Ten species were found with the following prevalence of infection and mean abundance: three
species of Monogenea: Anoplocotyloides papillatus (41.6% and 1.1), A.chorrillensis (30.5% and 0.5)
and Rhinobatonchocotyle pacifica (63.8% and 4.1), three species of cestodes: Rhinebothrium rhinobati
(8.3% and 0.1), Prochristianella heteracantha (11.1% and 0 , 1) and Acanthobothrium olseni (27.7%
and 0.6), one nematode Proleptus carvajali (80.5% and 148), one hirudinean Stibarobdella moorei
(5.5% and 0.1), and finally two species of copepods Eudactylina peruensis (2.7%and 0.02) and
Ommatokoita elongata (13.8% and 0.2). The specific importance index showed that P. carvajali
presented the highest value and is considered a core species in the parasite community. The total length
was not related to the prevalence and abundance of parasitic infection, except for a negative relationship
with the prevalence of the copepod O. elongata. A differential pattern in themean abundance of
infection between parasitized and unparasitized fish with A. papillatus and R. pacifica was observed.
The interactivity indexes (CC50) for ectoparasites (29.9%) and endoparasites (32.8%) of R. planiceps
show that communities are interactive.
Key words: abundance - Anoplocotyloides – prevalence – Proleptus - Rhinobatonchocotyle.

Resumen
Entre el mes de septiembre del 2009a agosto del 2010, treinta y seis especímenes de Rhinobatos
planiceps (Garman, 1880) “pez guitarra del pacífico” fueron adquiridos del Terminal Pesquero de
Chorrillos, Lima-Perú para la evaluación de la dinámica poblacional de su fauna metazoa parasitaria.
De los peces examinados 14 fueron hembras y 22 fueron machos. Los peces mostraron una longitud
total promedio de 85,0±19,3 cm (27 a 125)....