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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 97, No. 1, 2002, pp. 79-80
Bioline Code: oc02013
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 97, No. 1, 2002, pp. 79-80

 en Myxobolus absonus check for this species in other resources sp. n. (Myxozoa: Myxosporea) Parasitizing Pimelodus maculatus check for this species in other resources (Siluriformes: Pimelodidae), a South American Freshwater Fish
Eduardo F Cellere; Nelson S Cordeiro & Edson A Adriano

Abstract

A new myxoporean species is described from a freshwater fish in Brazil. Myxobolus absonus check for this species in other resources sp. n. was found infecting Pimelodus maculatus check for this species in other resources captured in the river Piracicaba, State of São Paulo, Brazil. Cysts were found free in the opercular cavity. The spores are large (length-15.7 ± 1.5 µm, width-10.2 ± 0.7 µm; mean ± S.D.) and oval in shape, with the anterior end slightly pointed. The spore valves are relatively thin, smooth, and asymmetrical in a frontal view. The polar capsules are pyriform in shape, and unequal in size; the largest are 6.4 ± 0.7 µm long and 3.6 ± 0.5 µm wide, while the smallest are 4.2 ± 0.6 µm long and 2.5 ± 0.5 µm wide.

Keywords
Myxozoa, Myxosporea, Myxobolus absonus sp. n., Pimelodus maculatus, Brazil, South America

 
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