Anguillicola, a parasitic nematode of the swim bladder spreading among eel populations in Europe

Peters, Günther; Hartmann, F.

doi:10.3354/dao001229

Cited by 56 publications

(38 citation statements)

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“…originating from South East Asia (Kuwahara et al 1974). It was introduced to Europe a few years ago and spread quickly through most European countries (Peters & Hartmann 1986, CanestriTrotti 1987, Dekker & van Willigen 1987, Taraschewski et al 1987, Dupont & Petters 1988, Hellstrom et al 1988, Kraie 1988, Belpaire et al 1989, Kennedy & Fitch 1990, Szekely et al 1991.…”

Section: Introductionmentioning

confidence: 99%

Pratenic hosts of the swimbladder nematode Anguillicola crassus

Thomas¹,

Ollevier²

1992

Dis. Aquat. Org.

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The host specificity and population dynamics of Anguillicola crassus in a number of paratenic hosts were investigated. Various freshwater flsh species were sampled monthly (March 1990 to March 1991) from the Kolenhaven (Albertcanal, Genk, Belgium) and examined for L3-larvae of Anguillicola crassus. Sixteen species were found to be infected: all the physoclist species examined (Gymnocephalus cernua, Lepomis gibbosus, Ictalurus nebulosus, Stizostedion lucioperca, Gasterosteus aculeatus, Oreochromis niloticus and Perca fluviatilis) and those physostome species of which a sufficient number could be examined to detect the infection (Gobio gobio, Leuciscus cephalus, Chondrostoma nasus, Leuciscus leuciscus, Alburnus alburnus, Leuciscus idus, Scardinius erytrophthalmus, Rutilus rutilus and Tinca tinca). There were large differences in prevalence among the fish species examined but generally the prevalence was higher in physoclist fishes and was highest in G. cernua ( 9 6 % ) . In 4 species there was a significant positive correlation between fish length and parasite abundance. The percentage of grown larvae varied among fish species, being lowest in G. cernua and highest in P. fluviatilis. No clear seasonal incidence cycle was observed.

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Section: Introductionmentioning

confidence: 99%

Pratenic hosts of the swimbladder nematode Anguillicola crassus

Thomas¹,

Ollevier²

1992

Dis. Aquat. Org.

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“…Expe riments of compression in a hyperbaric caisson and of deep sea immersion did not demonstrate any dastric effect of the parasi tosis on the ability of the eels to acclimatize to sea water and hydrostatic pressure, at least until 60 atmospheres. L'existence de nématodes du genre Anguillicola parasi tant les anguilles (Anguilla sp) a été découverte en 1935 au Japon par Yamaguti mais n'a été observée que bien plus tard en Europe, d'abord en Italie (Paggi et al, 1982) puis en RFA (Neuman, 1985;Peters et Hartmann, 1986), aux Pays-Bas (Van Banning et al, 1985), en Belgique (Belpaire et al, 1987), au Danemark (KØ ie, 1987. Ce genre comprend 5 espèces (Moravec et Taraschewski, 1988).…”

Section: Summary: Infestation Of French Eel Populations (Anguilla Angunclassified

Infestation de populations françaises d’Anguilles (Anguilla anguillaL.) par des Nématodes(Anguillicola crassus) :essais thérapeutiques évaluation de risques potentiels liés à l’écophysiologie de l’hôte

Fontaine

Belle

López

et al. 1990

Ann. Parasitol. Hum. Comp.

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Des nématodes de l'espèce Anguillicola crassus ont été trouvés en abondance dans la vessie gazeuse d'anguilles argentées captu rées dans un étang de la Somme et dans la Seine (à Paris). Par contre des populations provenant de Loire-Atlantique étaient indemnes en mars 1989. Nous avons confirmé l'effet nématocide à court terme du Lévamisole sur les vers présents dans la vessie mais des parasites vivants ont cependant été observés 3 mois après le traitement. L'acclimatation à l'eau de mer d'anguilles infestées semble se faire normalement et sans incidence nette sur la parasi tose. Des expériences de compression en caisson hyperbare et d'immersion en profondeur n'ont pas démontré d'effet drastique de la parasitose sur les capacités d'acclimatation des anguilles à l'eau de mer et à la pression hydrostatique au moins jusqu'à 60 atmosphères. Nematodes of the species Anguillicola crassus were found in abundance in the swimbladder of silver eels caught in a pond in northern France (« Somme ») and in the Seine river (in Paris). Populations from western France (« Loire-Atlantique ») were not infested in March 1989. We have confirmed the short term nematocide effect of Levamisol on worms present in the swimbladder. However living parasites were observed 3 months after the treat

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“…The introduction of the Asian species Anguilla japonica from Taiwan (KØIE, 1988) has led to the simultaneous introduction in the early 80's of the nematode Anguillicola crassus, a parasite of the swimbladder (KØIE, 1991;KOOPS and HARTMAN, 1989). The first case of anguillicolosis in Europe has been described in Germany (NEUMANN, 1985;PETERS and HARTMANN, 1986). Since then, the data relative to its extension have been regularly published and has recently been update by KIRK (2003).…”

Section: Introductionmentioning

confidence: 99%

Biogeographical Relationships of the Eel Parasite Anguillicola Crassus Revealed by Random Amplified Polymorphic Dna Markers (Rapds)

Rahhou

Morand

Lecomte-Finiger

et al. 2005

Bull. Fr. Pêche Piscic.

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The introduction and the rapid expansion of the nematode Anguillicola crassus in Europe in the early 80's is one of the causes of the decrease of the European eel, Anguilla anguilla, populations. The aims of this work were to study, using RAPD markers, the genetic diversity and the population relationships between 16 populations of Anguillicola crassus originating from Europe (11 populations coming from the Mediterranean Sea or facing the Atlantic Ocean), Morocco, Japan (the original region of the parasite) and the USA (the most recently invaded place). Overall, 7 primers were useful and 32 reproducible bands showed polymorphism. Our results revealed a significant population differentiation between populations coming from the Mediterranean Sea and the other populations. We did not find a significant relationship between the genetic and the geographic distances suggesting multiple events of introduction. This was confirmed by the significant relationship found between the geographical distance and the dates of introduction. We also discuss the origin of the parasite in North America.

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Anguillicola, a parasitic nematode of the swim bladder spreading among eel populations in Europe

Cited by 56 publications

References 1 publication

Pratenic hosts of the swimbladder nematode Anguillicola crassus

Pratenic hosts of the swimbladder nematode Anguillicola crassus

Infestation de populations françaises d’Anguilles (Anguilla anguillaL.) par des Nématodes(Anguillicola crassus) :essais thérapeutiques évaluation de risques potentiels liés à l’écophysiologie de l’hôte

Biogeographical Relationships of the Eel Parasite Anguillicola Crassus Revealed by Random Amplified Polymorphic Dna Markers (Rapds)

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