Results 71 to 80 of about 1,261 (161)

Six new dactylogyrid species (Platyhelminthes, Monogenea) from the gills of cichlids (Teleostei, Cichliformes) from the Lower Congo Basin

open access: yesParasite, 2018
The Lower Congo Basin is characterized by a mangrove-lined estuary at its mouth and, further upstream, by many hydrogeographical barriers such as rapids and narrow gorges. Five localities in the mangroves and four from (upstream) left bank tributaries or
Jorissen Michiel W.P.   +10 more
doaj   +1 more source

Reproductive Biology of Pterygoplichthys Pardalis in the Air Hitam River Payung Sekaki District, Riau Province [PDF]

open access: yes, 2016
Pterygoplichtys pardalis has known as sapu-sapu fish. It is commonly present in the Air Hitam River. To understand the reproductive biology of this fish, a research has been conducted on February to May and November 2015.
Efizon, D. (Deni)   +2 more
core  

Gyrodactylus salinae n. sp. (Platyhelminthes: Monogenea) infecting the south European toothcarp Aphanius fasciatus (Valenciennes) (Teleostei, Cyprinodontidae) from a hypersaline environment in Italy [PDF]

open access: yes, 2011
Background: Historically, non-native species of Gambusia (Poeciliidae) have been used to control larval stages of the Asian tiger mosquito, Stegomyia albopicta Reinert, Harbach et Kitching, 2004 throughout Italy.
A Dechtiar   +60 more
core   +3 more sources

Haematological and parasitological assessment of silver catfish Rhamdia quelen farmed in Southern Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária
This study evaluated for two years the haematological parameters and the occurrence of gill parasites in silver catfish Rhamdia quelen, farmed in the state of Santa Catarina, southern Brazil.
Aline Brum Figueredo   +5 more
doaj   +1 more source

A revised description of Gyrodactylus cichlidarum Paperna, 1968 (Gyrodactylidae) from the Nile tilapia, Oreochromis niloticus niloticus (Cichlidae), and its synonymy with G. niloticus Cone, Arthur et Bondad-Reantaso, 1995 [PDF]

open access: yes, 2007
A recent infestation of Gyrodactylus cichlidarum Paperna, 1968 on yolk sac fry of Nile tilapia, Oreochromis niloticus niloticus (L.), in an isolated aquarium system in the UK resulted in high mortalities and provided an opportunity to study this species ...
CONE   +10 more
core   +1 more source

Isolation, identification and prevalence of parasites on Oreochromis niloticus from three selected river systems [PDF]

open access: yes, 2010
The prevailence of protozoan and helminthic parasite species occurring on and in the internal organs of Oreochromis niloticus were studied. Twenty samples of a mixture of adult and juvenile individuals of Oreochromis niloticus were randomly obtained from
Ashade, O.O.   +2 more
core  

Host-based identification is not supported by morphometrics in natural populations of Gyrodactylus salaris and G. thymalli (Platyhelminthes, Monogenea) [PDF]

open access: yes, 2007
Gyrodactylus salaris is a serious pest of wild pre-smolt Atlantic salmon (Salmo salar) in Norway. The closely related G. thymalli, originally described from grayling (Thymallus thymallus), is assumed harmless to both grayling and salmon.
A. P. SHINN   +13 more
core   +1 more source

依据ITS rDNA序列探讨我国盾腹虫属种类的系统发育关系(英文) [PDF]

open access: yes, 2010
盾腹吸虫为寄生扁形动物中一小的类群。我国已报道7种盾腹吸虫,其中5种隶属于盾腹虫属(Aspidogastridae,Aspidogastrinae)。研究测定了在我国采集到的4种盾腹虫属吸虫的核糖体DNA转录内间隔区(ITSrDNA)序列,并分别采用邻接法和最大似然法构建分子系统发育树。结果显示,这4种盾腹吸虫的ITS-1和ITS-2序列的长度分别在728—877bp和518—645bp之间,其G+C含量分别在50.1%—52.3%和49.2%—52.2%范围内。4种盾腹吸虫的种间遗传距离在0.2 ...
孙军   +4 more
core  

Brief Note: Intestinal Parasites of the Bluegill, Lepomis Macrochirus, and a Summary of the Parasites of the Bluegill from Ohio [PDF]

open access: yes, 1980
Author Institution: Department of Zoology and Center for Lake Erie Area Research, Ohio State ...
Crites, John L., Jilek, Reid
core  

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