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Research Journal of Parasitology
  Year: 2007 | Volume: 2 | Issue: 1 | Page No.: 45-50
DOI: 10.3923/jp.2007.45.50
Incidence of Parasitic Isopods on the Fish Sphyraena obtusata
S. Ravichandran , T. Balasubramanin and T. Kannupandi

Abstract:
The incidence of parasitic isopods in the fish Sphyraena obtusata was studied. The reduction in gill raker count and gill surface area was observed as a function of infestation was found to be statistically significant. Maximum reduction in respiratory surface area was observed in Ist gill arch (10.7%) and minimum (9.2%) in the IIIrd gill arch. The percentage reduction of surface area in the IInd and IVth gill arches was 10.2 and 9.7, respectively. The infestations such as, hemorrhagic lesions, anemia; encapsulation; inflammation and penetration of dactylus usually pressure atrophy often accompanied by the presence of larger parasites. This may lead to huge economic losses in commercial species of fish.
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How to cite this article:

S. Ravichandran , T. Balasubramanin and T. Kannupandi , 2007. Incidence of Parasitic Isopods on the Fish Sphyraena obtusata . Research Journal of Parasitology, 2: 45-50.

DOI: 10.3923/jp.2007.45.50

URL: https://scialert.net/abstract/?doi=jp.2007.45.50

 
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