Physiological status of wild European eels ( Anguilla anguilla ) infected with the parasitic nematode, Anguillicola crassus

The effect of the parasitic swimbladder nematode, Anguillicola crassus , on the physiological status of wild European eels ( Anguilla anguilla ) was investigated during an 18 month survey (February 1995 until September 1996), and compared with that of wild uninfected eels collected over the same tim...

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Bibliographic Details
Published in:Parasitology
Main Authors: KELLY, C. E., KENNEDY, C. R., BROWN, J. A.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 2000
Subjects:
Infectious Diseases
Animal Science and Zoology
Parasitology
Anguilla anguilla
Online Access:http://dx.doi.org/10.1017/s0031182099005314
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0031182099005314
Description
Summary:The effect of the parasitic swimbladder nematode, Anguillicola crassus , on the physiological status of wild European eels ( Anguilla anguilla ) was investigated during an 18 month survey (February 1995 until September 1996), and compared with that of wild uninfected eels collected over the same time-period. Despite the occurrence of up to 15 blood-feeding adults in the swimbladder lumen of the infected eels and as many as 25 additional larvae in the swimbladder wall, there were no major differences in hormonal, metabolic or osmoregulatory status of the 2 groups of eels. Wild European eels appear to adapt to chronic parasitism with Anguillicola crassus . The possible adverse effects of additional simultaneous stressors are discussed.

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