Cymothoid Isopod Parasites in Aquaculture: a Review and Case Study of a Turkish Sea Bass (Dicentrarchus Labrax) and Sea Bream (Sparus Auratus) Farm

Overview

Journal Dis Aquat Organ

Specialties Biology
Veterinary Medicine

Date 2001 Nov 17

PMID 11710552

Citations 16

Authors

T Horton

B Okamura

Affiliations

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Abstract

This paper reviews the occurrence of cymothoid isopod parasitism in aquaculture, reports the first case of infection by a cymothoid isopod (Ceratothoa oestroides) in Turkish aquaculture, and analyses its effects on sea bass Dicentrarchus labrax. Analyses revealed that C. oestroides negatively affects the weights and lengths of sea bass hosts. These effects have been previously underestimated because host age has not been accounted for. The analysis of condition factors as a means of assessing parasite effects is therefore likely to be misleading. Infection of fish of all ages by all cymothoid stages indicates that sea bass are not intermediate hosts but that C. oestroides has effected a complete host shift.

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