The microecology of dactylogyrids (Monogenea: Dactylogyridae) on the gills of wild spotted rose snapper Lutjanus guttatus (Lutjanidae) from Mazatlan Bay, Mexico

Soler-Jiménez, Lilia C.; Fájer-Ávila, Emma Josefina

doi:10.14411/fp.2012.008

Cited by 17 publications

(7 citation statements)

References 35 publications

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“…The preference of dactylogyrids for the second gill arch of L. guttatus has been reported previously (Soler-Jiménez and Fajer-Ávila, 2012). Therefore, the left second gill arch of each fish was removed and stored in 96% ethanol for further processing using qPCR.…”

Section: Methodssupporting

confidence: 78%

Quantitative real-time PCR (qPCR) for the detection and quantification of dactylogyrid parasites infectingLutjanus guttatus

2017

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Severe infections of the spotted rose snapper Lutjanus guttatus resulting from dactylogyrid monogeneans present a risk to aquaculture. Currently, the diagnosis of this infection requires the morphological identification and manual quantification of parasites. Based on the characterization of the 28S rRNA gene of dactylogyrid species present in L. guttatus, specific primers were designed for real-time polymerase chain reaction (qPCR) using EvaGreen® chemistry. The standard curve method estimated the number of dactylogyrids accurately. A total of 85 gill samples from cage-cultured fish infected with dactylogyrids were analysed. The estimated number of dactylogyrids using this molecular method was very similar to the manual count that was performed initially. The standardized qPCR approach will be helpful as a complementary method for the early routine monitoring of dactylogyrid infections and for epidemiological studies in which a high number of fish must be studied.

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Section: Methodssupporting

confidence: 78%

Quantitative real-time PCR (qPCR) for the detection and quantification of dactylogyrid parasites infectingLutjanus guttatus

2017

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“…Hughes and Boomsma, 2004). We did not observe strong negative correlations between dactylogyrid species, but however positively related species could occupy different gill microhabitats in order to avoid direct competition as proposed by Soler-Jiménez and Fajer-Avila (2012) in dactylogyrids from wild spotted snapper ( Lutjanus guttatus , Steindachner, 1868). However, to better understand dactylogyrid interaction with and within the host, more studies should be conducted on parasite microhabitats.…”

Section: Discussionmentioning

confidence: 53%

Gill monogenean communities (Platyhelminthes, Monogenea, Dactylogyridae) of butterflyfishes from tropical Indo-West Pacific Islands

et al. 2016

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We studied the monogenean communities of 34 species of butterflyfish from the tropical Indo-West Pacific, identifying 13 dactylogyrid species (including two species that are presently undescribed). Monogenean assemblages differed significantly between host species in terms of taxonomic structure, intensity and prevalence. Parasite richness ranged from 0 (Chaetodon lunulatus) to 11 (C. auriga, C. citrinellus and C. lunula). Host specificity varied between the dactylogyrids species, being found on 2-29 of the 34 chaetodontid species examined. Sympatric butterflyfish species were typically parasitized by different combinations of dactylogyrid species, suggesting the existence of complex host-parasite interactions. We identified six clusters of butterflyfish species based on the similarities of their dactylogyrid communities. Dactylogyrid richness and diversity were not related to host size, diet specialization, depth range or phylogeny of butterflyfish species. However, there was a weak positive correlation between monogenean richness and diversity and host geographical range. Most communities of dactylogyrids were dominated by Haliotrema aurigae and H. angelopterum, indicating the importance of the genus Haliotrema in shaping monogenean communities of butterflyfishes. This study casts light on the structure of the monogenean communities of butterflyfishes, suggesting that the diversity and complexity of community structures arises from a combination of host species-specific parameters.

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“…It is so that when the fish move in the middle, it can acquire a large quantity of these parasites, as they have specialized hooks that they use to adhere and survive in their host. It is worth mentioning that temperature is considered as the main abiotic factor that regulates the dynamics of monogeneans (Tinsley & Jackson, 2002;Soler-Jiménez & Fajer-Ávila, 2012;Ogawa, 2014). In the lagoon, warm waters are maintained (24 ° to 32 ° C) with an average of 26 ° C (García-Cubas et al, 1990).…”

Section: Discussionmentioning

confidence: 99%

Parasite community analysis of the gray snapper Lutjanus griseus (Perciformes,Lutjanidae) in a tropical region of the Southern Gulf of Mexico

et al. 2022

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Summary The gray snapper Lutjanus griseus is a commercially important fish species along its distribution range in the western Atlantic Ocean. However, despite its importance, there is still little knowledge about its parasitic fauna for the Mexican coasts of the Gulf of Mexico. The aims of this research were to generate a list of the parasitic fauna present in juvenile gray snapper L. griseus from a coastal lagoon located in southeastern Mexico, to evaluate the infection levels of parasites and to determine the relationship between the abundance of parasites and the fish size and condition factor. Samples of L. griseus (12 – 29.2 mm) were obtained in two periods of the year (dry and rainy seasons) to examine the intra-annual variability of its parasitic fauna. A total of 17 parasite species were recorded belonging to six taxonomic groups (Myxozoa, Monogenea, Digenea, Cestoda, Nematoda and Acanthocephala). The highest levels of infection (abundance, prevalence and intensity of infection) were found for the monogeneans Euryhaliotrema griseus and Euryhaliotrema fastigatum. There were no significant correlations between the total abundance of parasites and the fish condition and size (total length) in not any of the two seasons studied, suggesting that the body size and the biological condition index of the host did not directly influence the abundance of parasites in early life stages of L. griseus. Moreover, the species of parasites found that could be zoonotic for humans through the consumption of raw or inadequately cooked fish were the nematodes Contracaecum sp. type 1, Contracaecum sp. type 2, Cucullanus pargi and Pseudoterranova sp. The presence of the monogeneans E. griseus and E. fastigatum was also highlighted because these ectoparasite species are known to cause harm to fish under culture systems. All the parasite species found in this study, except nematodes, were new records of geographic distribution.

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The microecology of dactylogyrids (Monogenea: Dactylogyridae) on the gills of wild spotted rose snapper Lutjanus guttatus (Lutjanidae) from Mazatlan Bay, Mexico

Cited by 17 publications

References 35 publications

Quantitative real-time PCR (qPCR) for the detection and quantification of dactylogyrid parasites infectingLutjanus guttatus

Quantitative real-time PCR (qPCR) for the detection and quantification of dactylogyrid parasites infectingLutjanus guttatus

Gill monogenean communities (Platyhelminthes, Monogenea, Dactylogyridae) of butterflyfishes from tropical Indo-West Pacific Islands

Parasite community analysis of the gray snapper Lutjanus griseus (Perciformes,Lutjanidae) in a tropical region of the Southern Gulf of Mexico

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