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Diseases of Aquatic Organisms
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DAO 77:255-258 (2007)  -  DOI: https://doi.org/10.3354/dao01852

Myxobolus sp. can cause in vivo myoliquefaction in the host Paralichthys orbignyanus (Osteichthyes, Paralichthydae)

J. C. Eiras1,*, Joaber P. Júnior2, L. A. Sampaio3, R. Robaldo3, P. C. Abreu4

1Departamento de Zoologia e Antropologia, Faculdade de Ciências, and CIIMAR, Universidade do Porto, 4099-002 Porto, Portugal
2Fundação Universidade Federal do Rio Grande, Departamento de Ciências Morfobiológicas, Laboratório de Ictioparasitologia, Av. Itália, 96201-900 Rio Grande, RS, Brasil
3Fundação Universidade Federal do Rio Grande, Departamento de Oceanografia, Laboratório de Maricultura, Av. Itália, 96201-900 Rio Grande, RS, Brasil
4Fundação Universidade Federal do Rio Grande, Departamento de Oceanografia, Av. Itália, 96201-900 Rio Grande, RS, Brasil
*Email:

ABSTRACT: We found intense myoliquefaction in vivo among specimens of wild and farmed South American flatfish Paralichthys orbignyanus Valenciennes, 1839. The soft flesh condition was attributed to Myxobolus sp. since the fish were not infected by myxosporeans which are usually associated with this condition (Kudoa spp.), and other causes (bacteria, fungi) were not found. The histopathology of the infection is described.


KEY WORDS: Myxobolus sp. · Paralichthys orbignyanus · Myxozoa · Myoliquefaction


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Cite this article as: Eiras JC, Júnior JP, Sampaio LA, Robaldo R, Abreu PC (2007) Myxobolus sp. can cause in vivo myoliquefaction in the host Paralichthys orbignyanus (Osteichthyes, Paralichthydae). Dis Aquat Org 77:255-258. https://doi.org/10.3354/dao01852

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Published in DAO Vol. 77, No. 3. Online publication date: October 15, 2007
Print ISSN: 0177-5103; Online ISSN: 1616-1580
Copyright © 2007 Inter-Research.
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