Interaction between the endangered freshwater pearl mussel Margaritifera margaritifera, the duck mussel Anodonta anatina and the fish host (Salmo): acquired and cross-immunity

Chowdhury, Mridula; Salonen, Jouni K.; Marjomäki, Timo J.; Taskinen, Jouni

doi:10.1007/s10750-017-3114-6

Cited by 17 publications

(29 citation statements)

References 28 publications

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“…Higher metamorphosis success should be expected from fish without previous exposure to mussels (i.e. higher in hatchery fish compared with wild fish), as laboratory experiments found that fish may acquire an immune resistance to glochidia upon exposure (Chowdhury, Salonen, Marjomäki, & Taskinen, ; Dodd et al, ; Dodd, Barnhart, Rogers‐Lowery, Fobian, & Dimock, ). Only minor differences were found between metamorphosis success on hatchery and wild largemouth bass, which suggests a lack of exposure to glochidia in the field.…”

Section: Discussionmentioning

confidence: 99%

Reproductive ecology of the threatened and endemic freshwater mussel Lampsilis bracteata

Seagroves

Barnhart

Hardy

et al. 2019

Aquatic Conservation

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The Texas fatmucket, Lampsilis bracteata, is a unionid mussel endemic to the Colorado and upper Guadalupe River basins of Central Texas and a candidate for federal listing under the Endangered Species Act. There is increased interest in propagation and population restoration of threatened mussels in Texas as a potential conservation method, but still little is known about their life histories and how local populations may differ in aspects of their reproductive ecology, e.g. timing of brooding and potential local adaptations to host fish. The purpose of this study was to compare host fish compatibilities and seasonality of reproduction between two populations: (a) by cross‐infesting fish from the San Saba and Llano Rivers in the Colorado River basin with sympatric and allopatric mussel larvae in the laboratory (hatchery‐produced Guadalupe bass and largemouth bass were also infested); and (b) by assessing gamete concentration, brooding period, viability of larvae and sex ratios using monthly sampling events between February 2017 and February 2018. Reproduction varied with season and between populations. The proportion of females brooding tended to be lower in the summer and the autumn, and higher during winter and spring months before peak water temperatures were reached. The sex ratio in both populations did not significantly differ from 1:1. Fecundity and larvae viability were higher in the Llano River population compared with the San Saba population. Trematode flatworms were found in several female gonad samples from the San Saba population and in a few samples from the Llano population. The highest metamorphosis success occurred on wild green sunfish and largemouth bass, and hatchery‐produced largemouth and Guadalupe bass. The average metamorphosis success tended to be higher for some mussel–fish pairings originating from the same tributary, suggesting that mussels may be locally adapted to host fish, which should be considered in conservation efforts.

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Section: Discussionmentioning

confidence: 99%

Reproductive ecology of the threatened and endemic freshwater mussel Lampsilis bracteata

Seagroves

Barnhart

Hardy

et al. 2019

Aquatic Conservation

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“…Six papers used molecular tools to describe genetic structure or phylogeographic patterns of European (Feind et al, 2017), North American (Hewitt et al, 2016;Mathias et al, 2016) and South American species (da Cruz Santos-Neto et al, 2017); to reveal the uncommon doubly uniparental inheritance of mitochondria in a European species (Soroka and Burzynski, 2017) and the sequencing of transcriptomic resources for an invasive species . The interaction between mussels and their host fishes was addressed in three papers that evaluate the effects of stress (Douda et al, 2016), cross-immunity (Chowdhury et al, 2017) and temperature (Schneider et al, 2017) on the reproduction of freshwater mussels. Three papers describe distribution patterns with distinct spatial and temporal scales: the population trends of Unionidae in Romania (Sîrbu and Benedek, 2017), the distribution of freshwater mussels and their host fishes in Texas (Dascher et al, 2017) and a study that reconstructs the historical range and population size of the threatened species Popenaias popeii (Karatayev et al, 2015).…”

Section: The Proceedings Of the Second International Meeting On Biolomentioning

confidence: 99%

Conservation of freshwater bivalves at the global scale: diversity, threats and research needs

et al. 2018

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Bivalves are ubiquitous members of freshwater ecosystems and responsible for important functions and services. The present paper revises freshwater bivalve diversity, conservation status and threats at the global scale and discusses future research needs and management actions. The diversity patterns are uneven across the globe with hotspots in the interior basin in the United States of America (USA), Central America, Indian subcontinent and Southeast Asia. Freshwater bivalves are affected by multiple threats that vary across the globe; however, pollution and natural system (habitat) modifications being consistently found as the most impacting. Freshwater bivalves are among the most threatened groups in the world with 40% of the species being near threatened, threatened or extinct, and among them the order Unionida is the most endangered. We suggest that global cooperation between scientists, managers, politicians and general public, and application of new technologies (new generation sequencing and remote sensing, among others) will strengthen the quality of studies on the natural history and conservation of freshwater bivalves. Finally, we introduce

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“…The gill areas of fish were then comparable and the numbers of glochidia did not need to be standardised according to fish size (see Taeubert, Denic, Gum, Lange, & Geist, 2010). Moreover, possible acquired immunity (Chowdhury, Salonen, Marjom€ aki, & Taskinen, 2017;) could not confuse the interpretation of the results when no fish had been in contact with FPM earlier. The 0+ salmonids are also widely suggested to be the most suitable hosts for FPM (Bauer, 1987b;€ Osterling, 2015;Young & Williams, 1984).…”

Section: Cage Experimentsmentioning

confidence: 99%

Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) differ in their suitability as hosts for the endangered freshwater pearl mussel (Margaritifera margaritifera) in northern Fennoscandian rivers

et al. 2017

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European populations of the freshwater pearl mussel (FPM, Margaritifera margaritifera) have collapsed across much of the species’ geographic range and, despite many types of conservation intervention, the number of successful restoration efforts has been low. The goal of this study was to determine whether there were population‐specific differences in the suitability of Atlantic salmon (Salmo salar) and brown trout (S. trutta) as hosts for the parasitic glochidium larvae of FPM. We predicted that such differences would depend on the historical occurrence of these salmonid species in FPM habitats. We studied the potential host specificity both in the field and in laboratory by exposing salmonid fish to FPM glochidia originating from nine populations in different types of streams and rivers within three large river basins in northern Fennoscandia. The exposures showed remarkable population‐specific differences in the suitability of host species. In large main channels, previously colonised by Atlantic salmon but mostly now dammed for hydropower production, the occurrence of FPM glochidia was always highest on salmon. Moreover, glochidia on salmon were often larger than the conspecifics on brown trout. Conversely, in small tributaries with no salmon history, brown trout was generally the best, or the only suitable, host for FPM. The adaptation of certain FPM populations to salmon is a highly significant finding, which offers — together with the hydropower dam construction and the salmonid stocking practices that often favour brown trout — an explanation for the collapse of FPM populations living in former Atlantic salmon rivers. This study illustrates the indirect but substantial effects that dams and changes in fish communities may induce, and emphasises the need to determine the most suitable host species for each FPM population in order to inform conservation and management actions.

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Interaction between the endangered freshwater pearl mussel Margaritifera margaritifera, the duck mussel Anodonta anatina and the fish host (Salmo): acquired and cross-immunity

Cited by 17 publications

References 28 publications

Reproductive ecology of the threatened and endemic freshwater mussel Lampsilis bracteata

Reproductive ecology of the threatened and endemic freshwater mussel Lampsilis bracteata

Conservation of freshwater bivalves at the global scale: diversity, threats and research needs

Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) differ in their suitability as hosts for the endangered freshwater pearl mussel (Margaritifera margaritifera) in northern Fennoscandian rivers

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