Species Uronema nigricans (Müller, 1786)

Museums

Regional Maps

• Cyclidium nigricans Müller, O.F. 1786. Animalcula infusoria fluviatilia et marina : quae detexit, systematice descripsit et ad vivum delineari curavit / Otho Fridericus Müller ... ; sistit opus hoc posthumum quod cum tabulis aeneis L. in lucem tradit, vidua ejus nobilissima, cura Othonis Fabricii …. Hauniae : Typis Nicolai Mölleri ... [8], lvi, 367 pp.

Generic Combinations

• Uronema nigricans (Müller, 1786). —
  Thompson, J.C. Jr & Evans, F.R. 1968. A redescription of Uronema nigricans. Journal of Protozoology 15: 369-374

Introduction

Size: 30-35 µm.

Distribution

States

New South Wales, South Australia, Victoria

IBRA and IMCRA regions

IBRA

NSW, SA, Vic: Eyre Yorke Block (EYB), Flinders Lofty Block (FLB), Gawler (GAW), Kanmantoo (KAN), NSW North Coast (NNC), Sydney Basin (SB), South East Coastal Plain (SCP), South East Corner (SEC), South Eastern Highlands (SEH), South Eastern Queensland (SEQ), Victorian Volcanic Plain (VVP)

IMCRA

Spencer Gulf Shelf Province (33)

Ecological Descriptors

Freshwater, salt lake, soil dweller, symbiotic (host(s): Thunnus maccoyii Castelnau, 1872 [SCOMBRIDAE] Southern Bluefin Tuna (brain)).

Extra Ecological Information

Free-living

Associated Fauna References

Deveney, M.R., Bayly, T.J., Johnston, C.J. & Nowak, B.F. 2005. A parasite survey of farmed southern bluefin tuna, Thunnus maccoyii (Castelnau). Journal of Fish Diseases 28: 279-284 (Thunnus maccoyii)

Munday, B.L., O'Donoghue, P.J., Watts, M., Rough, K. & Hawkesford, T. 1997. Fatal encephalitis due to the scuticociliate Uronema nigricans in sea-caged, southern bluefin tuna Thunnus maccoyii. Diseases of Aquatic Organisms 30: 17-25 (Thunnus maccoyii)

Nowak, B., Mladineo, I., Aiken, H., Bott, N. & Hayward, C. 2006. Results of health surveys of two species of farmed tuna: southern bluefin tuna (Thunnus maccoyii) in Australia and northern bluefin tuna (Thunnus thynnus) in the Mediterranean. Bulletin of the European Association of Fish Pathologists 26: 38-42 (Thunnus maccoyii)

Nowak, B.F. 2004. Assesment of health risks to southern bluefin tuna under current culture conditions. Bulletin of the European Association of Fish Pathologists 24: 45-51 (Thunnus maccoyii)

Nowak, B.F. 2007. Parasitic diseases in marine cage culture — an example of experimental evolution of parasites? International Journal for Parasitology 37: 581-588 (Thunnus maccoyii)

General References

Esteban, G.F., Finlay, B.J., Olmo, J.L. & Tyler, P.A. 2000. Ciliated protozoa from a volcanic crater-lake in Victoria, Australia. Journal of Natural History 34: 159-189

Pomp, R. & Wilbert, N. 1988. Taxonomic and ecological studies of ciliates from Australian saline soils. Australian Journal of Marine and Freshwater Research 39: 479-495

Wilbert, N. 1995. Benthic ciliates of salt lakes. Acta Protozoologica 34: 271-288

History of changes