Metazoan Symbionts of Crustaceans

Overstreet, Robin M.

doi:10.1016/b978-0-12-106406-8.50015-7

Cited by 88 publications

(71 citation statements)

References 183 publications

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“…Des espèces déterminées d'Hydrachnides ou Acariens des eaux continentales, comme Limnochares aquática L. ou Hydrachna globosa D. peuvent être présents dans les chambres branchiales ou sur les exosquelettes des écrevisses européennes comme en font part WOLCOTT (1905), BÖTTGER (1972) et OVERSTREET (1983. Bull.…”

Section: Introductionunclassified

Description De La Zooépibiose De L’écrevisse Signal (Pacifastacus Leniusculus, Dana) en Astaciculture

Garcia-Cuenca

2002

Bull. Fr. Pêche Piscic.

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RÉSUMÉDes recherches ont été effectuées concernant la zooépibiose de l'écrevisse signal (Pacifastacus leniusculus, D.), provenant d'un centre d'astaciculture espagnol, au cours de la période 1997-1998. Les organismes épibiotiques dominants trouvés sur l'exosquelette appartiennent aux groupes zoologiques d'Invertébrés suivants : Mastigophora (Bodo), Cilliophora (Stentor, Epistylis, Zoothamnium, Acineta), Turbelaria (Temnocephala), Rotifera (Brachionus), Annelida (Branchiobdella), Acarina (Hygrobates) et Ostracode (Eucypris ou Enthocytera), on souligne le nombre élevé de Branchiobdellides de l'espèce Branchiobdella instabilia M., dont les quantités minimum et maximum, en mâles et femelles, oscillent de 12 à 139 et de 7 à 130, respectivement.Les hyperbranchiobdelloses provoquent des automutilations, des décollements des pinces et autres appendices, des mues anormales, des lésions cuticulaires, de l'hémocytopénie et des changements éthologiques.Les colonisations maximales d'Ostracodes de l'espèce Eucypris virens, J.O., Enthocytera heterodonta, R., dans les poches d'incubation des femelles donnent lieu à une coloration rougeâtre des oeufs et à leur perte postérieure.Compte tenu de leur nombre limité et de la période d'épibiose, les genres des soustypes Mastigophora, Ciliophora, Turbelaria, Rotifera et Arachnida ne représentent aucun danger pour les écrevisses.En ce qui concerne la zooépibiose associée aux appendices et aux régions du corps des écrevisses du Pacifique, les chélipèdes ou pinces constituent le substrat où se place de préférence le genre Branchiobdella ; le céphalothorax sert de support à tous les groupes taxonomiques d'épibiontes identifiés. Bull. Fr. Pêche Piscic. (2002) ZOOEPIBIOSE DESCRIPTION OF SIGNAL CRAYFISH (PACIFASTACUS LENIUSCULUS D.) IN ASTACICULTURE. ABSTRACTResearch on zooepibiosis of the Pacific crayfish (Pacifastacus leniusculus, D.) has been done on the base of a controlled system at a Spanish crayfish farm during the years between 1997 and 1998.The epibiotic organisms found in the exoskeleton belong to the following zoological groups of invertebrates: Mastigophora (Bodo), Cilliophora (Stentor, Epistylis, Zoothamnium, Acineta), Turbelaria (Temnocephala), Rotifera (Brachionus), Annelida (Branchiobdella), Acarina (Hygrobates) and Ostracode (Eucypris ou Enthocytera).Among the previously described organisms of zooepibionts, there is an outstanding number of Branchiobdellids of the Branchiobdella instabilia M species, whose minimum and maximum quantities in males and females range from 12 to 139 and from 7 to 130 respectively.Hyperbranchiodellosis causes selfmutilations, loss of claws and detachment of other appendages, abnormal moultings, severe cuticular lesions, hemocytopenia and ethological changes.It has been proved that the maximum colonizations of Ostracods of the species Eucypris virens or Enthocytera heterodonta of the female brood pouch gives raise to a pathological disorder that ends up in a reddish coloration of the eggs and finally means their loss. Mastigophora, Ciliophora,...

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Section: Introductionunclassified

Description De La Zooépibiose De L’écrevisse Signal (Pacifastacus Leniusculus, Dana) en Astaciculture

Garcia-Cuenca

2002

Bull. Fr. Pêche Piscic.

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“…Is the infestation rate due to the geographic distribution of branchiobdellid species (GELDER et al, 1994), or does it depend also on other causes, such as pollution (OVERSTREET, 1983), the presence of alien species that could act as vectors (GELDER et al, 1999), and/or the overcrowding of the host populations?…”

Section: Remarksmentioning

confidence: 99%

Infestation Rate of Branchiobdellids in Austropotamobius Pallipes Italicus From a Stream of Central Italy: Preliminary Results

Gherardi

Cenni

Crudele³

et al. 2002

Bull. Fr. Pêche Piscic.

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Species identity, infestation rate and distribution over the host body of branchiobdellids (Annelida, Clitellata) have been analysed in an Austropotamobius pallipes italicus population from the National Park of the Foreste Casentinesi, Monte Falterona and Campigna (central Italy). Branchiobdella italica -the nearly unique species present in our samples -did not differ in its occurrence among the size classes of its host, while female crayfish showed a significantly higher infestation rate than the other sex. Branchiobdellids were mostly found on gill chambers and cephalothorax base, and only in the case of larger crayfish and males did they occupy other body areas.

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“…Rhizocephalan barnacles are all parasites, mainly of decapod crustaceans (Bocquet-Vedrine, 1972;Overstreet, 1983), which have a highly modified life cycle compared to free living barnacles. Rhizocephalans pass through two larval stages, nauplius and cypris, as the rest of barnacles, and present a gonochoristic condition (Hoeg 1991).…”

Section: Introductionmentioning

confidence: 99%

The effects of parasitism by the barnacle Loxothylacus panopaei (Gissler) (Cirripedia: Rhizocephala) on growth and survival of the host crab Rhithropanopeus harrisii (Gould) (Brachyura: Xanthidae)

Álvarez

Hines

Reaka

1995

Journal of Experimental Marine Biology and Ecology

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Metazoan Symbionts of Crustaceans

Cited by 88 publications

References 183 publications

Description De La Zooépibiose De L’écrevisse Signal (Pacifastacus Leniusculus, Dana) en Astaciculture

Description De La Zooépibiose De L’écrevisse Signal (Pacifastacus Leniusculus, Dana) en Astaciculture

Infestation Rate of Branchiobdellids in Austropotamobius Pallipes Italicus From a Stream of Central Italy: Preliminary Results

The effects of parasitism by the barnacle Loxothylacus panopaei (Gissler) (Cirripedia: Rhizocephala) on growth and survival of the host crab Rhithropanopeus harrisii (Gould) (Brachyura: Xanthidae)

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