scholarly journals New data on endohelminth communities of barbel Barbus barbus from the Bulgarian part of the River Danube

2018 ◽  
Vol 55 (3) ◽  
pp. 222-229
Author(s):  
M. Chunchukova ◽  
D. Kirin
Keyword(s):  
Species Diversity ◽  
Parasite Species ◽  
Danube River ◽  
Species Structure ◽  
Ecological Indices ◽  
Component Community ◽  
Pomphorhynchus Laevis ◽  
Parasite Communities ◽  
Barbus Barbus ◽  
River Danube

Summary Species diversity and composition of the parasite communities of barbel (Barbus barbus) at the infracommunity and component community levels were studied in the Lower Danube River, Bulgaria. During the two-year investigations, five parasite species have been found in 92 host fish: Bathybothrium rectangulum (Cestoda), Acanthocephalus anguillae and Pomphorhynchus laevis (Acanthocephala) and larval stages of Contracaecum sp. and Raphidascaris acus (Nematoda). Bathybothrium rectangulum and R. acus found in barbel represented new host records in Bulgaria. Parasite communities of barbel were species-poor and highly unbalanced. Pomphorhynchus laevis represented the dominant (core) species (prevalence 98.9 %), the second most frequent component parasite was Contracaecum sp. (P = 14.1 %) and remaining three species occurred only accidentally in barbels. Differences in species richness, prevalence, intensity of infection and ecological indices between individual seasons (spring, summer, autumn) were statistically significant, but considerably affected by unequal species structure of communities with highly prevailing P. laevis. Low parasite species diversity of barbel and low values of most ecological indices, when compared with previous studies in this area (or other Bulgarian parts of the River Danube) might indicate that environmental conditions are impaired and thus, not favourable for the development of barbel parasites (primarily to their intermediate host survival) in the Lower Danube River of Bulgaria.

Metazoan Parasites and Health State of European Eel, Anguilla Anguilla (Anguilliformes, Anguillidae), From Tonga Lake and El Mellah Lagoon in the Northeast of Algeria

2018 ◽  
Vol 52 (4) ◽  
pp. 279-288 ◽  
Author(s):  
F. Bakaria ◽  
S. Belhaoues ◽  
N. Djebbari ◽  
M. Tahri ◽  
I. Ladjama ◽  
...  
Keyword(s):  
Brackish Water ◽  
Parasite Species ◽  
Anguilla Anguilla ◽  
European Eel ◽  
Health State ◽  
Component Community ◽  
Metazoan Parasites ◽  
Parasite Communities ◽  
High Dominance ◽  
Argulus Foliaceus

Abstract The aim of the study was to examine metazoans parasite communities of European eels (Anguilla anguilla) in freshwater (Tonga Lake) and brackish water (El Mellah lagoon) in the northeast of Algeria. Six parasite taxa were collected: one monogenean, Pseudodactylogyrus sp.; two crustaceans, Ergasilus sp. and Argulus foliaceus; two nematodes, Cucullanus sp. and Anguillicola crassus; one cestode, Bothriocephalus claviceps. Th e most prevalent parasite taxa in freshwater were Pseudodactylogyrus sp., A. crassus and Bothriocephalus claviceps; whereas in the brackish water, eels were infected mainly with A. crassus. Th e characteristics of the parasite component community structure revealed low parasite species diversity and high dominance values in eels from the two localities. Both communities were dominated by a single parasite species: Tonga eels by the monogenean Pseudodactylogyrus sp. and El Mellah lagoon eels by the nematode A. crassus, verified by high Berger-Parker dominance values of 0.76 and 0.87 respectively.

scholarly journals Glutathione redox status in some tissues and the intestinal parasite Pomphorhynchus laevis (Acanthocephala) from barbel (Barbus barbus)(Pisces) from the Danube river

2007 ◽  
Vol 59 (4) ◽  
pp. P57-P58 ◽  
Author(s):  
Svetlana Despotovic ◽  
Branka Perendija ◽  
Tijana Kovacevic ◽  
Slavica Borkovic ◽  
S.Z. Pavlovic ◽  
...  
Keyword(s):  
Intestinal Parasite ◽  
Redox Status ◽  
Danube River ◽  
Pomphorhynchus Laevis ◽  
The Danube River ◽  
Barbus Barbus ◽  
Glutathione Redox

scholarly journals Interannual variation in the metazoan parasite communities of bigeye trevally Caranx sexfasciatus (Pisces, Carangidae)

Parasite ◽  
2020 ◽  
Vol 27 ◽  
pp. 6 ◽  
Author(s):  
Juan Violante-González ◽  
Scott Monks ◽  
Yesenia Gallegos-Navarro ◽  
Nataly G. Santos-Bustos ◽  
Princessa J. Villalba-Vasquez ◽  
...  
Keyword(s):  
Species Composition ◽  
Parasite Species ◽  
Single Species ◽  
Parasite Community ◽  
Component Community ◽  
Metazoan Parasites ◽  
Parasite Communities ◽  
Local Fluctuations ◽  
Low Diversity ◽  
Abiotic Environmental Factors

Parasite communities in Caranx sexfasciatus were characterized and analyzed to determine any interannual variations in structure and/or species composition. In total, 422 C. sexfasciatus were collected from Acapulco Bay, Mexico, between May 2016 and March 2019. Thirty-two taxa of metazoan parasites were identified: five Monogenea, thirteen Digenea, one Acanthocephala, one Cestoda, three Nematoda, seven Copepoda, and two Isopoda. Monogeneans were the most frequent and abundant parasite species in all sampling years. Parasite species richness at the component community level varied significantly from 8 (May 2016) to 25 (March 2019) and was similar to previous reports for other species of Carangidae. The component communities and infracommunities in C. sexfasciatus were characterized by low parasite species numbers, low diversity, and dominance of a single species (the monogenean Neomicrocotyle pacifica). Parasite community structure and species composition varied between sampling years and climatic seasons. Seasonal or local fluctuations in some biotic and abiotic environmental factors probably explain these variations.

Intestinal helminth parasites in flounderPlatichthys flesusfrom the River Thames: an infracommunity analysis

2004 ◽  
Vol 78 (4) ◽  
pp. 297-303 ◽  
Author(s):  
S. Guillen-Hernandez ◽  
P.J. Whitfield
Keyword(s):  
Parasite Species ◽  
Parasite Community ◽  
Intestinal Helminth ◽  
Helminth Parasites ◽  
Intermediate Hosts ◽  
Component Community ◽  
Parasite Communities ◽  
High Prevalence ◽  
Marine Influence ◽  
River Thames

AbstractAn analysis was undertaken of intestinal helminth communities in flounderPlatichthys flesusfrom two sites on the River Thames. A comparison was made between helminth community richness and diversity from these sites at the component and infracommunity levels. At the component community level, a richer and more diverse parasite community was found in flounder from the Tilbury location (marine influence) than that from the Lots Road location (freshwater influence). At the infracommunity level, more parasite species and parasite individuals per host were found at Lots Road and the percentage of similarity values were low at both locations. Helminth species with high prevalence values in the parasite communities of the flounder are the dominant species in any individual fish, harbouring multi-specific infections. The presence of more invertebrate species, which are intermediate hosts in the helminth life cycle in the Thames, fish vagility and the high prevalence and abundance values ofPomphorhynchus laevisin the flounder, may explain the differences between the two locations.

The parasite community infecting flounders, Platichthys flesus, in the tidal Thames

1999 ◽  
Vol 73 (3) ◽  
pp. 203-214 ◽  
Author(s):  
H.E.M. El-Darsh ◽  
P.J. Whitfield
Keyword(s):  
Species Richness ◽  
Parasite Species ◽  
Parasite Community ◽  
Parasite Fauna ◽  
Component Community ◽  
Species List ◽  
Pomphorhynchus Laevis ◽  
Platichthys Flesus ◽  
First Time ◽  
Middle Estuary

The composition of the parasite fauna of the flounder,Platichthys flesus, retrieved from two locations in the tidal Thames is described in detail for the first time. The combined parasite species list of the flounders from Lots Road in the upper tideway and West Thurrock in the middle tideway consisted of one protozoan (Glugea stephani), one monogenean (Gyrodactylussp.), four larval digeneans (Cryptocotyle concava,Timoniella imbutiforme,T. praeterita, andLabratrema minimus), five adult digeneans (Derogenes varicus,Lecithaster gibbosus,Podocotylesp.,Plagioporus varius, andZoogonoides viviparus), one larval cestode (unidentified tetraphyllidean), one or possibly more larval nematodes (unidentified) plus five adult nematodes (Capillariasp.,Cucullanus heterochrous,C. minutus,Contracaecumsp. andGoeziasp.), two acanthocephalans (Pomphorhynchus laevisandAcanthocephalus anguillae), three copepods (Lepeophtheirus pectoralis,Acanthochondriasp. andLernaeocera branchialis), and one mollusc (unidentified glochidia). The overall parasite community of flounders from Lots Road and West Thurrock were compared in terms of species richness and diversity. The parasite community in flounders from the former location in the upper tideway was found to be less diverse than that of its counterpart at West Thurrock in the middle estuary. The component community of Lots Road flounders was dominated by the acanthocephalanPomphorhynchus laevis.

Is metal accumulation in Pomphorhynchus laevis dependent on parasite sex or infrapopulation size?

Parasitology ◽  
2010 ◽  
Vol 137 (8) ◽  
pp. 1239-1248 ◽  
Author(s):  
M. NACHEV ◽  
S. ZIMMERMANN ◽  
T. RIGAUD ◽  
B. SURES
Keyword(s):  
Inductively Coupled Plasma ◽  
Metal Accumulation ◽  
Infected Fish ◽  
Fish Host ◽  
Danube River ◽  
River Bank ◽  
Pomphorhynchus Laevis ◽  
Inductively Coupled ◽  
Barbus Barbus ◽  
Metal Monitoring

SUMMARYConcentrations of the elements As, Cd, Co, Cu, Fe, Mn, Mo, Ni, Pb, Sn, V, Zn were analysed by inductively coupled plasma mass spectrometry (ICP-MS) in the acanthocephalan Pomphorhynchus laevis and its fish host Barbus barbus. A total of 27 barbels were collected from the Danube River in autumn 2006 close to the town Kozloduy (685 river kilometer) on the Bulgarian river bank. Fish were divided into 3 groups. According to their P. laevis infrapopulation size hosts were considered as heavily infected (>100 worms per fish) and lightly infected (<20 worms per fish). The third group was used to compare heavy metal concentrations between male and female P. laevis. The 5 elements As, Cd, Cu, Pb and Zn were detected in significantly higher concentrations in parasites compared to host tissues (muscle, intestine, liver). According to the calculated mean bioconcentration factors, 3 more elements (Co, Mn, V) showed usually higher concentrations in P. laevis. Comparisons between heavily and lightly infected fish revealed significant differences only for V with higher concentrations for the heavily infected group. Concerning sex-specific metal accumulation V and Zn showed significant differences (V, at P<0·05; Zn, at P=0·05), with higher levels of both metals in females of P. laevis. Our results suggest that – for the metals analysed – the size of the parasite infrapopulation plays no role in the degree of metal accumulation. Similarly, parasite sex seems not to be a crucial factor for metal accumulation in the parasites. Thus, for metal monitoring purposes there is no need to take these aspects into account, which makes the use of parasites as bioindicators more applicable.

Parasites of spottail shiners (Notropis hudsonius) in the St. Lawrence River: effects of municipal effluents and habitat

2006 ◽  
Vol 84 (10) ◽  
pp. 1461-1481 ◽  
Author(s):  
David J Marcogliese ◽  
Andrée D Gendron ◽  
Céline Plante ◽  
Michel Fournier ◽  
Daniel Cyr
Keyword(s):  
Parasite Species ◽  
Water Mass ◽  
Component Community ◽  
Food Web Structure ◽  
Piscivorous Fish ◽  
Larval Stages ◽  
Parasite Communities ◽  
Web Structure ◽  
Abundance And Distribution ◽  
St Lawrence River

Parasite communities were examined from spottail shiners (Notropis hudsonius (Clinton, 1824)) collected from nine localities in the St. Lawrence River around the Island of Montréal and downstream from its municipal effluents in June and September 1998–2000. A total of 30 taxa were found, the most common being Diplostomum spp. Parasite communities were dominated by digeneans, most of which were larval stages that infect birds as definitive hosts. Mean abundance of the most common parasites varied among localities and years. Component community and mean infracommunity species richness fluctuated within and among years at the various localities. Similarity analyses demonstrated that parasite component communities from the different localities could be partitioned according to season, year, and water mass. Canonical correspondence analysis demonstrated that the parasite component communities from the different localities could be distinguished clearly, indicating that the fish in the different localities compose separate populations or stocks. Year, season, and water mass correlated most strongly among the species–environment relationships. The abundance and distribution of parasite species appeared to be subtly influenced by environmental contaminants and urban effluents, leading to slight reductions in parasite diversity. However, the parasite species composition at the various localities more clearly reflected the local food-web structure and biodiversity in terms of the distributions of various invertebrate groups, piscivorous fish, and waterfowl along the St. Lawrence River.

scholarly journals Gastrointestinal helminth fauna and helminth communities of bleak (Alburnus alburnus, L. 1758) from lower section of Danube River

2019 ◽  
Vol 22 (3) ◽  
pp. 344-352
Author(s):  
M. Chunchukova ◽  
D. Kirin ◽  
D. Kuzmanova
Keyword(s):  
Parasite Species ◽  
Danube River ◽  
Parasite Communities ◽  
Gastrointestinal Helminth ◽  
Helminth Communities ◽  
Acanthocephalus Lucii ◽  
Dominant Structure ◽  
Bleak Alburnus Alburnus ◽  
Standard Techniques ◽  
Nicolla Skrjabini

The present study presents the results from examinations of bleak’s endohelminth species and structure of helminth communities from the Bulgarian part of the Lower Danube River. In 2015 and 2016, on a seasonal manner, 91 specimens of Alburnus alburnus (Linnaeus, 1758) (bleak) were examined with standard techniques for parasites. Five species of parasites: Nicolla skrjabini (Ivanitzky, 1928), Ligula intestinalis (Linnaeus, 1758), Acanthocephalus lucii (Müller, 1776), Pomphorhynchus laevis (Müller, 1776) and Contracoecum microcephalum (Stossich, 1890), larvae were identified. The analysis of the dominant structure of the found parasite species is presented to the component and infracommunities levels. All parasite species were accidental for the parasitic communities of examined fish with the exception of P. laevis and N. skrjabini. P. laevis was a core parasite species and N. skrjabini was a component parasite species for the helminth communities of bleak. The parasite communities of A. alburnus were discussed and compared with previous research data on parasite communities of bleak from River Danube in Bulgaria. New data for helminths and helminth communities of A. alburnus from Danube River (biotope Vetren) and their seasonal occurrence are presented.

The endohelminth fauna of barbel (Barbus barbus) correlates with water quality of the Danube River in Bulgaria

Parasitology ◽  
2009 ◽  
Vol 136 (5) ◽  
pp. 545-552 ◽  
Author(s):  
M. NACHEV ◽  
B. SURES
Keyword(s):  
Water Quality ◽  
Ecosystem Health ◽  
Danube River ◽  
Clear Correlation ◽  
Metazoan Parasites ◽  
Parasite Communities ◽  
Barbus Barbus ◽  
Polluted Sites ◽  
Prevalent Species

SUMMARYInfection of barbel with 10 species of metazoan parasites including 3 trematodes, 3 acanthocephalans and 4 nematodes was observed in fish collected from 3 localities in the Bulgarian part of the river Danube between summer 2004 and summer 2007. The composition as well as the diversity characteristics of the parasite communities were analysed seasonally and showed a clear correlation with the composition of the invertebrate fauna and water quality. The most prevalent species was the acanthocephalan Pomphorhynchus laevis, which was also the dominant species of the intestinal component communities at all sampling sites. The second most frequent parasite at all Danube localities was Rhabdochona hellichi, which occurred in significantly higher numbers at the less polluted sites. Overall, the diversity of helminth communities increased with decreasing levels of nutrients and pollutants at all sampling sites. Therefore, the composition and diversity of parasite communities may be used to characterize ecosystem health and integrity.

Helminth communities of the barbel Barbus barbus from large river systems in Austria

2005 ◽  
Vol 79 (2) ◽  
pp. 143-149 ◽  
Author(s):  
S. Laimgruber ◽  
C. Schludermann ◽  
R. Konecny ◽  
A. Chovanec
Keyword(s):  
Species Diversity ◽  
Dominant Species ◽  
Large River ◽  
Helminth Species ◽  
River Systems ◽  
Pomphorhynchus Laevis ◽  
Barbus Barbus ◽  
Helminth Communities

AbstractThe composition and diversity of the total and intestinal component endohelminth communities were determined in the cyprinid barbel from three study areas in two large river systems in Austria. Two sample sites in the Danube and one site in the River Drau are the only free flowing stretches of these rivers in Austria. Nine helminth species were identified, with the acanthocephalan Pomphorhynchus laevis being dominant in the Danube, with up to 100% prevalence. In the Drau, where the dominant species was the cestode Bathybothrium rectangulum, species diversity was higher than in the Danube.

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