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A parasite survey of farmed Southern bluefin tuna, Thunnus maccoyii (Castelnau)
Author(s) -
Deveney M R,
Bayly T J,
Johnston C J,
Nowak B F
Publication year - 2005
Publication title -
journal of fish diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 85
eISSN - 1365-2761
pISSN - 0140-7775
DOI - 10.1111/j.1365-2761.2005.00629.x
Subject(s) - biology , thunnus , parasite hosting , tuna , fishery , larva , zoology , aquatic animal , monogenea , aquaculture , fish <actinopterygii> , ecology , gill , world wide web , computer science
Farmed Southern bluefin tuna (SBT) were examined for parasites. Samples of harvest fish, mortalities and some fish showing clinical signs of disease were investigated. Targeted screening was conducted for a scuticociliate, Uronema nigricans , the myxosporean Kudoa sp. and a sanguinicolid digenean, Cardicola forsteri . General parasitological investigation revealed a diverse parasite community of didymozoid digeneans, two species of copepods, a polyopisthocotylean monogenean and larval cestodes. Targeted screening for U. nigricans exposed a low prevalence, most probably due to a lack of sensitivity in the test method. Few of the parasites examined pose a risk to the health of farmed SBT.