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2. Fish trypanosomes from the Okavango Delta, Botswana
- Creator:
- Smit, Nico J., Van As, Jo G., and Davies, Angela J.
- Format:
- bez média and svazek
- Type:
- model:article and TEXT
- Subject:
- Trypanosoma, fish parasites, and Botswana
- Language:
- English
- Description:
- During 2001 and 2002, blood smears from 37 of 120 fishes belonging to 10 species captured in the Okavango Delta region of Botswana, were found to harbour trypanosomes. These trypanosomes displayed differing staining properties, were morphometrically variable, and ranged in total length from 29.5 to 80.8 µm. Mixed populations of the smaller and larger trypanosomes were found in most fish examined. Despite variations in size and appearance, these specimens are tentatively identified as Trypanosoma mukasai Hoare, 1932, likely adding another 9 new hosts to those known for this parasite. It is possible that Trypanosoma clariense Pienaar, 1962, described from Clarias gariepinus in South Africa, is also a junior synonym of T. mukasai.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
3. Moravecnema segonzaci gen. et sp. n. (Nematoda: Cystidicolidae) from Pachycara thermophilum (Zoarcidae), a deep-sea hydrothermal vent fish from the Mid-Atlantic Ridge
- Creator:
- Justine, Jean-Lou, Cassone, Jimmy, and Petter, Annie
- Format:
- bez média and svazek
- Type:
- model:article and TEXT
- Subject:
- Nematoda, Cystidicolidae, deep-sea fish, and Moravecnema segonzaci
- Language:
- English
- Description:
- A new cystidicolid nematode, Moravecnema segonzaci gen. et sp. n. is described from the intestine of the teleost fish Pachycara thermophilum Geistdoerfer (Zoarcidae) from the hydrothermal sites Logatchev and Snake Pit-Moose of the Mid-Atlantic Ridge, at depths of 3,008; 3,492, and 3,510 m. The new genus Moravecnema is characterised by a dorsoventrally elongated oral opening, rudimentary pseudolabia, and four pairs of precloacal and six pairs of postcloacal caudal papillae in the male. The species has two spicules of unequal length, about 330 and 80 µm long. Males are about 5 mm and females about 5-10 mm long. Eggs have long thin polar filaments. This is the first species of parasitic nematode described from a fish endemic to hydrothermal deep-sea vents.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public