By Geoffrey A. Boxshall, Danielle Defaye
Sea lice are severe pests of commercially farmed fish and this booklet offers the 1st specific evaluate in their biology and present equipment of regulate. It bargains comprehensively with either the natural and utilized elements of sea lice biology and covers a variety of themes to make it priceless to practitioners and researchers alike.
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Extra info for Pathogens Of Wild And Farmed Fish: Sea Lice (Ellis Horwood Series in Aquaculture and Fisheries Support)
Curtus, C. minimus, C. pageti and all Lepeophtheirus species) or in chalimus II (in the other four species of Caligus) as a small lobe. C. clemensi is unusual in having its leg 5 appearing in the preadult stage. In other species this leg appears as early as in chalimus II (in C. centrodonti, C. curtus, C. minimus and C. pageti) as a single seta or in chalimus III (in other species) as two or three setae. ACKNOWLEDGEMENT I am grateful to Dr Ju-Shey Ho, Department of Biology, California State University, Long Beach, who kindly read the drafts of this manuscript.
Fifth segment with one spiniform process in addition to seta fused basally to segment. Endopod shorter than exopod and two-segmented. 3 µm long (slightly shorter than inner seta). Serrate margin of two large setae facing each other. Mandible (Fig. 2d) biramous. Exopod four-segmented. First segment fused with sympod, each remaining segment armed with one large seta. Terminal seta fused to distal segment. All setae serrate on outer margin and plumose on inner margin. Endopod one-segmented, indistinctly divided from sympod, with one small inner aesthete-like element and two large terminal setae.
1983) Les copépodes parasites de poissons Mugilidae en Méditerranée Occidentale (côtes Francaises et Tunisiennes). Morphologie, bioécologie, cycles évolutifs. Doctoral dissertation, Université des Sciences et Techniques du Langudoc, France. A. (1974a) The developmental stages of Lepeophtheirus pectoralis (Müller, 1976) (Copepoda: Caligidae). J. Nat. Hist. 8 681–700. A. (1974b) The population dynamics of Lepeophtheirus pectoralis (Müller): seasonal variation in abundance and age structure. Parasitology 69 361–371.
Pathogens Of Wild And Farmed Fish: Sea Lice (Ellis Horwood Series in Aquaculture and Fisheries Support) by Geoffrey A. Boxshall, Danielle Defaye