Myxozoan pathogens in cultured Malaysian fishes. I. Myxozoan infections of the sutchi catfish Pangasius hypophthalmus in freshwater cage cultures

K. Molnár, C. Székely, K. Mohamed, F. Shaharom-Harrison

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Cage-cultured sutchi catfish Pangasius hypophthalmus (Sauvage, 1878), a favourite food fish in Southeast Asia, proved to be infected by 6 myxozoan species. Three species belonged to the genus Hennegoides (H. berlandi, H. malayensis, and H. pangasii), 1 to Henneguya (H. shariffi) and 2 to Myxobolus (M. baskai, and M. pangasii). Five myxozoans infected the gills and 1 was found on the spleen. Myxozoans infecting the gills were characterised by a specific site selection. H. shariffi sp. n. and H. berlandi sp. n. formed plasmodia in the multi-layered epithelium of the gill filaments. Of the 2 vascular species H. pangasii sp. n. developed in the gill arteries, while M. baskai sp. n. infected the capillary network of the gill lamellae. Plasmodia of H. malayensis sp. n. were found inside the cartilaginous gill rays of the filaments. Large plasmodia of M. pangasii sp. n. were located in a groove of the spleen but they affected only the serosa layer covering the spleen.

Original languageEnglish
Pages (from-to)209-218
Number of pages10
JournalDiseases of Aquatic Organisms
Volume68
Issue number3
Publication statusPublished - Mar 2 2006

Fingerprint

Pangasianodon hypophthalmus
cage culture
gills
pathogen
pathogens
Plasmodium
fish
infection
spleen
site selection
Henneguya
Myxobolus
serosa
food
South East Asia
blood vessels
arteries
cages
epithelium

Keywords

  • Hennegoides
  • Henneguya
  • Histology
  • Myxobolus
  • Myxozoan infections
  • Pangasius
  • Site selection

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology

Cite this

Myxozoan pathogens in cultured Malaysian fishes. I. Myxozoan infections of the sutchi catfish Pangasius hypophthalmus in freshwater cage cultures. / Molnár, K.; Székely, C.; Mohamed, K.; Shaharom-Harrison, F.

In: Diseases of Aquatic Organisms, Vol. 68, No. 3, 02.03.2006, p. 209-218.

Research output: Contribution to journalArticle

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