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Ability of Pederson Cleaner Shrimp to Remove Juveniles of the Parasitic Cymothoid Isopod, Anilocra haemuli, from the Host

Lucy Bunkley-Williams and Ernest H. Williams Jr.
Crustaceana
Vol. 71, No. 8 (Dec., 1998), pp. 862-869
Published by: Brill
Stable URL: http://www.jstor.org/stable/20106067
Page Count: 8
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Ability of Pederson Cleaner Shrimp to Remove Juveniles of the Parasitic Cymothoid Isopod, Anilocra haemuli, from the Host
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Abstract

Eight species of prospective cleaners, four fishes (sharknosed goby Gobiosoma evelynae, and juveniles of bluehead (wrasse) Thalassoma bifasciatum, Spanish hogfish Bodianus rufus and gray angelfish Pomacanthus arcuatus) and four shrimps (cleaner shrimp Lysmata grabhami, Pederson cleaner shrimp Periclimenes pedersoni, banded coral shrimp Stenopus hispidus and golden coral shrimp Stenopus scutellatus) were evaluated in aquaria for their ability to remove newly settled juveniles of the fish-parasitic cymothoid isopod Anilocra haemuli from French grunts Haemulon flavolineatum. Periclimenes pedersoni removed all isopods almost immediately. No other cleaners removed any isopods over a 24 hr challenge period. This study is the first evidence that cleaner shrimps can remove juvenile cymothoid isopods. /// Huit espèces de nettoyeurs présumés, quatre poissons (Gobiosoma evelynae, juvéniles de Thalassoma bifasciatum, Bodianus rufus et Pomacanthus arcuatus) et quatre crevettes (Lysmata grabhami, Periclimenes pedersoni, Stenopus hispidus et S. scutellatus) ont été examinées en aquarium pour évaluer leur capacité d'enlever les juvéniles d'Anilocra haemuli, isopode cymothoïde parasite de poissons, nouvellement fixés sur Haemulon flavolineatum. Periclimenes pedersoni a enlevé tous les isopodes presque immédiatement. Aucun autre nettoyeur n'a enlevé d'isopode pendant une période de 24 heures. Cette étude prouve pour la première fois que des crevettes nettoyeuses peuvent enlever des isopodes cymothoïdes juvéniles.

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