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    Magro, N M de Oliveira, A T and O'Dwyer, L H 2016. First report and description of aCyriliasp. (Apicomplexa: Haemogregarinidae) from a freshwater Cururu StingrayPotamotrygoncf.histrix(Elasmobranchii: Potamotrygonidae), from the Amazon Region, Brazil. Journal of Fish Diseases, Vol. 39, Issue. 8, p. 907.

    Davies, Angela J. Hosein, Shazia and Merrett, Nigel R. 2012. Haematozoans from deep water fishes trawled off the Cape Verde Islands and over the Porcupine Seabight, with a revision of species within the genus Desseria (Adeleorina: Haemogregarinidae). Folia Parasitologica, Vol. 59, Issue. 1, p. 1.

    Ferreira, Maryke L. Smit, Nico J. and Davies, Angela J. 2012. Unusual haemogregarines parasitizing intertidal teleosts from the subtropical east coast of South Africa, with the description of Haemogregarina kunegemina sp. nov.. Journal of the Marine Biological Association of the United Kingdom, Vol. 92, Issue. 05, p. 1209.

  • Journal of the Marine Biological Association of the United Kingdom, Volume 86, Issue 6
  • December 2006, pp. 1477-1480

Desseria zei sp. nov. (Adeleorina: Haemogregarinidae) infecting Zeus capensis from deep waters off the south and west coasts of South Africa

  • N.J. Smit (a1) and A.J. Davies (a2)
  • DOI:
  • Published online: 15 December 2006

Blood films from a marine fish, the Cape Dory (Zeus capensis), trawled at depths between 149 and 389 m off the south and west coasts of South Africa, contained a new species of haemogregarine, Desseria zei sp. nov. The apicomplexan, found in 25/97 fish from the two regions, was generally intra-erythrocytic. Parasitaemia was usually low, but attained infection levels of 1/10 erythrocytes in one fish. The parasite stages were all gamonts and monomorphic, but likely varied in maturity; they were 3.3–4.5 μm wide by 14.7–18.3 μm long, curved with bluntly pointed ends, and existed singly within erythrocytes, or in pairs in the heavy infection. Their cytoplasm was deep blue, granular, and stained deeply at the anterior and sometimes, posterior extremities. Two or three vacuoles occurred in the cytoplasm between the anterior cap and the gamont nucleus, which was positioned in the posterior third of the parasite body. Gamonts lay close to the host cell nucleus, often curved around it. Distortion of host cells and host nucleus displacement occurred when single gamonts curved away from the host nucleus, or if they were paired. A few extracellular gamonts were observed, occasionally associated with the remnants of the erythrocyte nucleus.

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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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