A study on copepod parasites of marine fish Johnius aneus (Bloch, 1793) from Visakhapatnam coast, Andhra Pradesh, India.

Dumping of industrial wastes into the sea is a common factor in and near by coastal cities where by there are mass mortalities of fishes as well as health deterioration of fish health. These fishes are prone to secondary infections by microbial and eukaryotic parasitic species. In the present study a survey has been made on Johnius aneus for copepod parasites infection. The study has been conducted+ for 10 months. 3 species of parasites were recorded-Lernanthropus Otolith, Pillai, 1963 Caligus annualaris Yamaguti, 1954 and Brachiella albida Ranganekar, 1956. To know the host parasite interaction, prevalence and Mean Intensity of overall parasites and individual parasite species have been studied. It is found that over all prevalence is high being 44%, whereas Mean intensity is less being 1.6. This gives an overall view of parasitization of copepods on the fish Johnius. It indicates that infection with copepod parasites is common but not heavy.

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Copepod parasites of marine fishes Gazza achlamys (Jordan & Starks, 1917) and Ariomma indica (Day, 1871) from Visakhapatnam coast, Andhra Pradesh, India.

International Journal of Bioassays ◽

10.21746/ijbio.2017.02.009 ◽

2017 ◽

Vol 6 (2) ◽

pp. 5278

Author(s):

Siva Prasad K.* ◽

Sreeramulu K. ◽

N. V. Prasad

Keyword(s):

Andhra Pradesh ◽

Marine Fishes ◽

Copepod Species ◽

Copepod Parasites ◽

Visakhapatnam Coast

A survey has been conducted to collect copepod parasites from Gazza achlamys (Jordan & Starks, 1917) and Ariomma indica (Day, 1871) off Visakhapatnam coast. Altogether, seven copepod species were identified. They are Caligus kuroshino (Shiino, 1960), Bomolochus decapteri (Yamaguti, 1936), Bomolochus nothrus (Wilson, 1913), Pseudartacolax lateolabracis (Yamaguti et al., 1959), Pumiliopes opisthopteri (Shen, 1957), Lernanthropus amphitergum (Pearse, 1951) and Lernanthropus ilishae (Chin, 1948). A list of hosts parasites and brief description of these parasites has given in this paper.

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Host-parasite interactions between the piranha Pygocentrus nattereri (Characiformes: Characidae) and isopods and branchiurans (Crustacea) in the rio Araguaia basin, Brazil

Neotropical Ichthyology ◽

10.1590/s1679-62252004000200006 ◽

2004 ◽

Vol 2 (2) ◽

pp. 93-98 ◽

Cited By ~ 10

Author(s):

Lucélia Nobre Carvalho ◽

Rafael Arruda ◽

Kleber Del-Claro

Keyword(s):

Body Size ◽

Mean Intensity ◽

Feeding Sites ◽

Host Parasite Interactions ◽

Ecological Aspects ◽

Field Samples ◽

Pygocentrus Nattereri ◽

The Tropics ◽

Host Parasite ◽

Ventral Area

In the tropics, studies on the ecology of host-parasite interactions are incipient and generally related to taxonomic aspects. The main objective of the present work was to analyze ecological aspects and identify the metazoan fauna of ectoparasites that infest the piranha, Pygocentrus nattereri. In May 2002, field samples were collected in the rio Araguaia basin, State of Goiás (Brazil). A total of 252 individuals of P. nattereri were caught with fishhooks and 32.14% were infested with ectoparasite crustaceans. The recorded ectoparasites were branchiurans, Argulus sp. and Dolops carvalhoi and the isopods Braga patagonica, Anphira branchialis and Asotana sp. The prevalence and mean intensity of branchiurans (16.6% and 1.5, respectively) and isopods (15.5% and 1.0, respectively) were similar. Isopods were observed in the gills of the host; branchiurans were more frequent where the skin was thinner, and facilitated attachment and feeding. The ventral area, the base of the pectoral fin and the gular area were the most infested areas. The correlations between the standard length of the host and the variables intensity and prevalence of crustaceans parasitism, were significant only for branchiurans (rs = 0.2397, p = 0.0001; chi2 = 7.97; C = 0.19). These results suggest that both feeding sites and body size probably play an important role in the distribution and abundance of ectoparasites.

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Streblid bat flies on phyllostomid bats from an island off the coast of São Paulo, Brazil

Papéis Avulsos de Zoologia ◽

10.11606/0031-1049.2017.57.04 ◽

2017 ◽

Vol 57 (4) ◽

pp. 31 ◽

Cited By ~ 4

Author(s):

Guilherme Douglas Piel Dornelles ◽

Gustavo Graciolli

Keyword(s):

Atlantic Forest ◽

Sao Paulo ◽

São Paulo ◽

Mean Intensity ◽

Paulo State ◽

Bat Flies ◽

The Family ◽

São Paulo State ◽

Host Parasite

Streblidae is the family of bloodsucking flies, mostly tropical and subtropical, that are obligate ectoparasites of bats. A high number of these fly species are found in the Atlantic Forest, but there is little information about their quantitative descriptors. In this paper, we describe the prevalence, mean intensity, and infracommunities of streblid bat flies on phyllostomid bats from the Parque Estadual da Ilha do Cardoso, São Paulo state, Brazil. Surveys were conducted from July 1990 to July 1991 in distinct places of the island, with a total of 454 flies of 30 species collected from 132 bats of 15 species. From those, we found 44 host-parasite associations and 31 infracommunities that suffered variations due to accidental associations or contaminations. With our results, the number of Streblidae species increased from 31 to 36 in São Paulo State.

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New records of Ergasilus (Copepoda: Ergasilidae) in the Laurentian Great Lakes, including a lakewide review of records and host associations

Canadian Journal of Zoology ◽

10.1139/z94-136 ◽

1994 ◽

Vol 72 (6) ◽

pp. 1002-1009 ◽

Cited By ~ 10

Author(s):

Patrick L. Hudson ◽

Charles A. Bowen II ◽

Ralph M. Stedman

Keyword(s):

Great Lakes ◽

Gasterosteus Aculeatus ◽

Lake Trout ◽

Micropterus Salmoides ◽

Lake Huron ◽

Pungitius Pungitius ◽

Mean Intensity ◽

Ninespine Stickleback ◽

Host Parasite ◽

First Time

Ergasilus nerkae was found infecting ninespine stickleback (Pungitius pungitius) in lakes Huron, Michigan, and Superior and threespine stickleback (Gasterosteus aculeatus) and round whitefish (Prosopium cylindraceum) in Lake Huron. Based upon the literature and study of archived material, we propose that E. nerkae is enzootic to the Great Lakes and that ninespine stickleback are a preferred host in Lake Huron. Prevalence of E. nerkae on ninespine stickleback increased from 17% in June to 68% in September, but mean intensity remained light. Prevalence and mean intensity increased with host length. Ergasilus luciopercarum is also reported on lake trout (Salvelinus namaycush) and largemouth bass (Micropterus salmoides) for the first time. Host–parasite records of Ergasilus spp. in North America are reviewed, biology and taxonomy are summarized, and a checklist of Great Lakes host–parasite–locality records is provided. At present, eight species of Ergasilus are known to infect 42 Great Lakes fish species.

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Bat flies from the deciduous Atlantic Forest in southern Brazil: Host-parasite relationships and parasitism rates

Acta Parasitologica ◽

10.2478/s11686-010-0026-2 ◽

2010 ◽

Vol 55 (2) ◽

Cited By ~ 11

Author(s):

Vagner Camilotti ◽

Gustavo Graciolli ◽

Marcelo Weber ◽

Jeferson Arruda ◽

Nilton Cáceres

Keyword(s):

Atlantic Forest ◽

Parasite Prevalence ◽

Southern Brazil ◽

Mean Intensity ◽

Bat Flies ◽

Parasitism Rates ◽

One Year ◽

Host Parasite ◽

Artibeus Lituratus ◽

Low Rate

AbstractThis study describes the assemblage of ectoparasitic bat flies, their hosts, and parasitism rates in an Atlantic Forest area in southern Brazil. Bats were captured monthly for one year at two sites. We captured 95 bats belonging to nine species, but only Artibeus lituratus, Artibeus fimbriatus, Sturnira lilium (Phyllostomidae) and Myotis nigricans (Vespertilionidae) were found to be parasitized. The bat flies collected were: Streblidae — Paratrichobius longicrus (on A. lituratus) and Megistopoda aranea (on A. lituratus and A. fimbriatus), Megistopoda proxima (on S. lilium); Nycteribiidae — Basilia andersoni (on M. nigricans). Artibeus fimbriatus and S. lilium showed the highest values of parasite prevalence (60 and 35.7%, respectively) and mean intensities (1.9 and 2.1, respectively). Only two parasitized individuals of A. lituratus were found, resulting in the lowest local rate of parasite prevalence (2.6%) and mean intensity (1.0). This low rate may result from the use of ephemeral roosts in the area. The high values of frequency and number of flies per host on A. fimbriatus and S. lilium in relation to other studies could be explained by the low richness of bat flies here, and in turn, by low competition among fly species per host.

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Environmental constraints influencing survival of an African parasite in a north temperate habitat: effects of temperature on development within the host

Parasitology ◽

10.1017/s0031182011000424 ◽

2011 ◽

Vol 138 (8) ◽

pp. 1039-1052 ◽

Cited By ~ 7

Author(s):

R. C. TINSLEY ◽

J. E. YORK ◽

L. C. STOTT ◽

A. L. E. EVERARD ◽

S. J. CHAPPLE ◽

...

Keyword(s):

Surface Waters ◽

Experimental System ◽

Parasite Development ◽

Specific Host ◽

Host Parasite Interactions ◽

Secondary Infections ◽

Host Sex ◽

Developmental Rates ◽

Effects Of Temperature ◽

Host Parasite

SUMMARYThe monogenean Protopolystoma xenopodis has been established in Wales for >40 years following introduction with Xenopus laevis from South Africa. This provides an experimental system for determining constraints affecting introduced species in novel environments. Parasite development post-infection was followed at 15, 20 and 25°C for 15 weeks and at 10°C for ⩾1 year and correlated with temperatures recorded in Wales. Development was slowed/arrested at ⩽10°C which reflects habitat conditions for >6 months/year. There was wide variation in growth at constant temperature (body size differing by >10 times) potentially attributable in part to genotype-specific host-parasite interactions. Parasite density had no effect on size but host sex did: worms in males were 1·8 times larger than in females. Minimum time to patency was 51 days at 25°C and 73 days at 20°C although some infections were still not patent at both temperatures by 105 days p.i. In Wales, fastest developing infections may mature within one summer (about 12 weeks), possibly accelerated by movements of hosts into warmer surface waters. Otherwise, development slows/stops in October–April, delaying patency to about 1 year p.i., while wide variation in developmental rates may impose delays of 2 years in some primary infections and even longer in secondary infections.

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Grillotia erinaceus (van Beneden, 1858) (Cestoda:Trypanorhyncha) from whiting in the Black Sea, with observations on seasonality and host-parasite interrelationship

Acta Parasitologica ◽

10.2478/s11686-014-0261-z ◽

2014 ◽

Vol 59 (3) ◽

Cited By ~ 1

Author(s):

Ahmet Özer ◽

Türkay Öztürk ◽

Vadim Kornyushin ◽

Yulia Kornyychuk ◽

Violetta Yurakhno

Keyword(s):

Black Sea ◽

Infected Fish ◽

The Black Sea ◽

Commercial Fishing ◽

Infection Prevalence ◽

Mean Intensity ◽

Fishing Vessels ◽

Infection Parameters ◽

Host Parasite ◽

Grillotia Erinaceus

AbstractThe genus Grillotia Guiart, 1927 is cosmopolitan in its distribution and the type-species, G. erinaceus (van Beneden, 1858), has been relatively well studied. However, this study provides infection indices of Grillotia erinaceus from southern and northern Black Sea whiting Merlangius merlangus for the first time. The specimens of Grillotia erinaceus were obtained from subserosa of the anterior oesophagus, stomach, pyloric caeca, liver, ovaries and mesenterium of whiting caught by commercial fishing vessels off Sinop, Turkey and off Balaklava, Ukraine. Fish were examined during the period from May 2011 to April 2012. Prevalence and mean intensity values in 268 fish collected off Sinop in the Black Sea were 18.66% and 1.82 ± 0.16 parasites per infected fish, respectively. In Ukrainian 166 whiting samples collected off Balaklava in the Black Sea, however, G. erinaceus plerocercus infection prevalence was 10.24% and mean intensity 1.71 ± 0.75 parasites per infected fish. Infection parameters were also determined at both sampling sites in relation with host length, sex and season.

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Relationship between bronchopulmonary nematode larvae and relative abundances of Spanish ibex (Capra pyrenaica hispanica) from Castilla-La Mancha, Spain

Journal of Helminthology ◽

10.1079/joh2005285 ◽

2005 ◽

Vol 79 (2) ◽

pp. 113-118 ◽

Cited By ~ 15

Author(s):

P. Acevedo ◽

J. Vicente ◽

V. Alzaga ◽

C. Gortazar

Keyword(s):

Host Density ◽

Population Level ◽

Life Cycles ◽

Capra Pyrenaica ◽

Mean Intensity ◽

South Central ◽

La Mancha ◽

Step Procedure ◽

Positive Correlations ◽

Host Parasite

AbstractThe excretion of bronchopulmonary nematode infective larvae was evaluated in 160 faecal samples of Spanish ibex (Capra pyrenaica hispanica) collected from 13 populations in Castilla-La Mancha, south-central Spain in September 2003. Intensities and prevalences were compared with pasture availability, abundances of wild and domestic ungulates at both levels, i.e. for populations and for faeces in a two-step procedure. Protostrongylid larvae showed similar infection rates (mean intensity: 1.56±0.12, n=94; mean prevalence: 25.62±6.86%, n=160) to Dictyocaulus spp. (mean intensity: 1.03±0.11, n=48; mean prevalence: 30.00±7.11%, n=160). At the population level, positive correlations were found between the prevalences of both bronchopulmonary taxa. The prevalence in both groups, but not intensity, also correlated positively with Spanish ibex abundance indexes both for the populations and individual faeces. These findings suggest that: (i) parasite spreading across Spanish ibex populations in Castilla-La Mancha could respond to host density-dependent processes; and (ii) these populations may have similar exposition and/or susceptibility to both bronchopulmonary taxa resulting in similar host–parasite patterns, despite their different life cycles. Bronchopulmonary outputs in the Spanish ibex from Castilla-La Mancha seems not to represent a health risk for this endemic wild ungulate but may be useful in any health surveillance scheme for the increasing populations of Spanish ibex.

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Four species of Mazocraeoides Price, 1936 (Monogenea: Mazocraeidae), including two new species from clupeiform fishes off Visakhapatnam coast, Bay of Bengal

Zootaxa ◽

10.11646/zootaxa.4608.2.2 ◽

2019 ◽

Vol 4608 (2) ◽

pp. 233

Author(s):

BADE SAILAJA ◽

UMMEY SHAMEEM ◽

ROKKAM MADHAVI

Keyword(s):

New Species ◽

Bay Of Bengal ◽

Posterior Part ◽

The Body ◽

Valid Species ◽

Genital Complex ◽

Two New Species ◽

28S Rdna Sequence ◽

Host Parasite ◽

Visakhapatnam Coast

Four species of Mazocraeoides Price, 1936 including two new species are recorded from clupeiform fishes collected from Visakhapatnam Coast, Bay of Bengal: M. rotundus n. sp. from Ilisha filigera, M. fusiformes n. sp. from Stolephorus indicus, M. prashadi Chauhan, 1950 from Sardinella longiceps and M. dussumieri Mamaev, 1975 from Dussumieria hasselti. Mazocraeoides rotundus n. sp. is differentiated from the previously described species of Mazocraeoides by possessing the following combination of characters: the small pot-like body, the distribution of clamps in the posterior half of body and the genital complex consisting of five pairs of hooks arranged in two vertical rows. It differs from M. prashadi in the body shape and the much smaller size of the genital complex. Mazocraeoides fusiformes n. sp. differs from all the other species of the genus in the distribution of the clamps embracing only the posterior part of the testis and the genital complex consisting of one pair of needle-like lateral hooks and five pairs of median hooks. Mazocraeoides prashadi is redescribed to fill the gaps existing in the earlier description. Mazocraeoides dussumieri recorded earlier from South China Sea is reported for the first time from the Bay of Bengal. The validity of various species of Mazocraeoides is discussed and a key for the separation of valid species is provided. A host-parasite list is presented which gives details of the hosts, the geographic distribution and the validity status for each species. A partial 28S rDNA sequence was generated for M. dussumieri and deposited in GenBank.

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Seasonality and host-parasite interrelationship of Hysterothylacium aduncum (Nematoda) in whiting Merlangius merlangus off the southern and northern coasts of the Black Sea

Helminthologia ◽

10.1515/helmin-2016-0025 ◽

2016 ◽

Vol 53 (3) ◽

pp. 248-256 ◽

Cited By ~ 1

Author(s):

A. Özer ◽

Y. M. Kornyychuk ◽

V. Yurakhno ◽

T. Öztürk

Keyword(s):

Digestive Tract ◽

Black Sea ◽

Nematode Species ◽

The Black Sea ◽

Season Length ◽

Mean Intensity ◽

Merlangius Merlangus ◽

Host Parasite ◽

First Time ◽

Hysterothylacium Aduncum

SummaryIn the present study, we investigated the comparative infection levels, ecology and host-parasite interrelationship of a nematodeHysterothylacium aduncum(Rudolphi, 1802) in whiting,Merlangius merlangus(L., 1758) in southern (Sinop) and northern (Balaklava Bay) coasts of the Black Sea for the first time. Fish were collected throughout a period from May 2011 to March 2014 from local fishermen. A total of 690 fish specimens near Sinop and 423 fish near Balaklava Bay were examined for parasites.Hysterothylacium aduncumwas the only nematode species identified in the digestive tract of the Black Sea whitingMerlangius merlangus. Prevalence of infection, mean intensity and mean abundance values were determined according to season, length classes and sex of fish at both localities. These infection indices were always higher in Sinop samples than those of Balaklava Bay samples.

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