Ilya Gordeev1,2, Sergey Sokolov3, Rafael Bañón4, Xesús Morales4, Alexei Orlov5,6,7,8. 1. Russian Federal Research Institute of Fisheries and Oceanography (VNIRO), V. Krasnoselskaya Str. 17, Moscow, 107140, Russian Federation. gordeev@vniro.ru. 2. Lomonosov Moscow State University, Leninskije Gory 1, Moscow, 119234, Russian Federation. gordeev@vniro.ru. 3. Center of Parasitology of the Severtsov Institute of Ecology and Evolution of the RAS, Leninsky Av., 33, Moscow, 119071, Russian Federation. 4. Instituto de Investigaciones Marinas, Consejo Superior de Investigaciones Científicas (IIM-CSIC), c/Eduardo Cabello 6, Vigo, 36208, Spain. 5. Russian Federal Research Institute of Fisheries and Oceanography (VNIRO), V. Krasnoselskaya Str. 17, Moscow, 107140, Russian Federation. 6. Severtsov Institute of Ecology and Evolution of the RAS, Leninsky Av., 33, Moscow, 119071, Russian Federation. 7. Dagestan State University, M. Gadzhiev Str., 43a, Makhachkala, 367000, Russian Federation. 8. Tomsk State University, Lenin Av., 36, Tomsk, 634050, Russian Federation.
Abstract
PURPOSE: The blue antimora, Antimora rostrata and slender codling, Halargyreus johnsonii (Gadoformes: Moridae) are common representatives of deep-water marine demersal fish fauna. This paper focuses on infections in blue antimora caught in the northwestern Atlantic region, but also reports observations on the parasites of slender codling obtained from a limited number of specimens from the same location. METHODS: Standard methods of parasitological examination, fixation and staining were used. In addition, a genetic analysis of the found acanthocephalans was performed to clarify their taxonomic affiliation. RESULTS: Blue antimora is mostly infected by juveniles of Anisakis sp. and trematodes Lepidapedon sp. sensu Campbell & Bray, 1993. The trematode Lepidapedon cf. mariannae and nematodes Spinitectus oviflagellis, Fellicola sp., Hysterothylacium gadi gadi, and Capillaria cf. gracilis have been recorded from blue antimora for the first time. The slender codling has been newly recorded as a host of five parasite species: Steringophorus pritchardae; Plerurinae gen. sp.; Lepidapedon cf. mariannae; Ascarophis sp.; Anisakis sp., and Sphyrion lumpi. CONCLUSIONS: Blue antimora and slender codling are recorded as hosts of 14 and 5 parasite taxa, respectively. The parasite fauna of these two species have similar patterns of infection to other bony fish that exist at a similar depth (800-2000) within the studied region.
PURPOSE: The blue antimora, Antimora rostrata and slender codling, Halargyreus johnsonii (Gadoformes: Moridae) are common representatives of deep-water marine demersal fish fauna. This paper focuses on infections in blue antimora caught in the northwestern Atlantic region, but also reports observations on the parasites of slender codling obtained from a limited number of specimens from the same location. METHODS: Standard methods of parasitological examination, fixation and staining were used. In addition, a genetic analysis of the found acanthocephalans was performed to clarify their taxonomic affiliation. RESULTS:Blue antimora is mostly infected by juveniles of Anisakis sp. and trematodes Lepidapedon sp. sensu Campbell & Bray, 1993. The trematode Lepidapedon cf. mariannae and nematodes Spinitectus oviflagellis, Fellicola sp., Hysterothylacium gadi gadi, and Capillaria cf. gracilis have been recorded from blue antimora for the first time. The slender codling has been newly recorded as a host of five parasite species: Steringophorus pritchardae; Plerurinae gen. sp.; Lepidapedon cf. mariannae; Ascarophis sp.; Anisakis sp., and Sphyrion lumpi. CONCLUSIONS:Blue antimora and slender codling are recorded as hosts of 14 and 5 parasite taxa, respectively. The parasite fauna of these two species have similar patterns of infection to other bony fish that exist at a similar depth (800-2000) within the studied region.
Entities:
Keywords:
Antimora rostrata; Halargyreus johnsonii; Infection; North Atlantic Ocean; Parasites