Burrowing and Crawling Behaviour of Three Species of Unionidae In
Finland

Saarinen, Milla; Taskinen, Jouni

doi:10.1093/mollus/69.1.81

Cited by 32 publications

(25 citation statements)

References 11 publications

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“…Unio pictorum and A. anatina from lake populations left trails having an average length of up to ca. 1 meter or 2 meters, respectively, during June and August 1996 (Saarinen and Taskinen 2003). Higher dispersal rates have been found for Viviparus ater (De Cristofori and Jan) (Viviparidae) and Potamopyrgus antipodarum (Hydrobiidae), with diffusion rates of approximately 1 m 2 d -1 in Lake Zurich, Switzerland (Ribi 1986).…”

Section: Crawling Activity and Rheotaxismentioning

confidence: 97%

“…1, Table 1). Indeed, among the Unionidae, Pseudanodonta complanata (Rossmässler) seemed to be stationary during a field survey in Finland performed during the reproductive season in June and August (Saarinen and Taskinen 2003). Mussels in the River Spree only moved towards the shore, whereas no significant upstream or downstream movement was detected (Schwalb and Pusch 2007).…”

Section: Crawling Activity and Rheotaxismentioning

confidence: 99%

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Slow, but steady: dispersal of freshwater molluscs

2011

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Molluscs are the proverbial examples of slow movement. In this review, dispersal distances and speed were assessed from literature data. Active upstream movement can occur both individually and in groups; and depends on traits such as size, sex and reproductive status, and on external factors such as flow velocity, temperature, sediment structure, and food availability. The potential for active dispersal follows the sequence Pulmonata C Prosobranchia [ Bivalvia, although data for Pulmonata originated from short-term experiments that likely overestimated dispersal capabilities. Active upstream movement may be 0.3 to 1.0 km per year for most snails and is probably well below 0.1 km per year for bivalves. Natural passive upstream dispersal increases the range 10-fold (snails) to 100-fold (bivalves), and anthropogenic vectors can increase upstream dispersal more than 100-fold (snails) to 1000-fold (bivalves). Three km seems to be the maximal within-stream distance at which many species display regular population mixing, and at which re-colonisation or successful restoration can be expected within 3-10 years. Lateral dispersal between unconnected water bodies is passive and mostly known from observational reports, but potential distances depend on vectors, climate and geomorphology. In general, active dispersal seems insufficient to furnish a compensatory mechanism, e.g., for the rate of projected climate change. We provide an overview on dispersal strategies in the light of applied issues. More rigorous field surveys and an integration of different approaches (such as mark-recapture, genetic) to quantify distances and probabilities of lateral dispersal are needed to predict species distributions across space and time.

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Section: Crawling Activity and Rheotaxismentioning

confidence: 97%

Section: Crawling Activity and Rheotaxismentioning

confidence: 99%

Slow, but steady: dispersal of freshwater molluscs

2011

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“…To be sure, attention has been given to vertical movement in freshwater bivalves relating to shell size, reproductive status, seasonal temperature variation, predation and desiccation avoidance [65][66][67][68][69][70], but not escape burrowing as defined here.…”

Section: Freshwater Bivalvesmentioning

confidence: 99%

“…Trueman [52] and Yeager et al [72] deal with the mechanics of downward, non-escape burrowing, and find that in general it mirrors the downward burrowing mechanisms of marine bivalves. Horizontal, surface crawling is also commonly observed among modern unionoids [69,70,72] and has been attributed to avoiding environmental stresses such as low oxygen and inadequate food availability, and to enhancing reproductive success [68,69]. While these studies provide valuable information on unionoid motility, they do not address the issue of escape burrowing in these animals.…”

Section: Freshwater Bivalvesmentioning

confidence: 99%

Escape Burrowing of Modern Freshwater Bivalves as a Paradigm for Escape Behavior in the Devonian Bivalve Archanodon catskillensis

Knoll¹,

Chamberlain

2017

Geosciences

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Many freshwater bivalves restore themselves to the sediment water interface after burial by upward escape burrowing. We studied the escape burrowing capacity of two modern unionoids, Elliptio complanata and Pyganodon cataracta and the invasive freshwater venerid Corbicula fluminea, in a controlled laboratory setting varying sediment grain size and burial depth. We found that the relatively streamlined E. complanata is a better escape burrower than the more obese P. cataracta. E. complanata is more likely to escape burial in both fine and coarse sand, and at faster rates than P. cataracta. However, successful escape from 10 cm burial, especially in fine sand, is unlikely for both unionoids. The comparatively small and obese C. fluminea outperforms both unionoids in terms of escape probability and escape time, especially when body size is taken into consideration. C. fluminea can escape burial depths many times its own size, while the two unionoids rarely escape from burial equivalent to the length of their shells. E. complanata, and particularly P. cataracta, are morphological paradigms for the extinct Devonian unionoid bivalve Archanodon catskillensis, common in riverine facies of the Devonian Catskill Delta Complex of the eastern United States. Our observations suggest that the escape burrowing capability of A. catskillensis was no better than that of P. cataracta. Archanodon catskillensis was likely unable to escape burial of more than a few centimeters of anastrophically deposited sediment. The long (up to 1 meter), vertical burrows that are associated with A. catskillensis, and interpreted to be its escape burrows, represent a response to episodic, small-scale sedimentation events due to patterns of repetitive hydrologic or weather-related phenomena. They are not a response to a single anastrophic event involving the influx of massive volumes of sediment.

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“…Bivalve burrowing is postulated to aid in avoiding predation (Saarinen and Taskinen, 2003) but also to contribute to the overall health of the freshwater ecosystem by re-suspending deposited material and oxygenating the substrate (Vaughn and Hakenkamp, 2001; Vaughn et al, 2008). The aim of this study was to examine the effects of ecologically-relevant concentrations of ATR on burrowing behavior in the freshwater mussel, E. complanata.…”

Section: Introductionmentioning

confidence: 99%

Burrowing in the Freshwater MusselElliptio complanatais Sexually Dimorphic and Feminized by Low Levels of Atrazine

Flynn

Wedin

Bonventre

et al. 2013

Journal of Toxicology and Environmental Health, Part A

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The widely used herbicide atrazine (ATR) may have endocrine-associated adverse effects, including on behavior. In this study, 120 adult freshwater mussels, Elliptio complanata, were exposed to ATR at the environmentally-relevant concentrations of 1.5, 15, or 150 μg/L. Burrowing depth was evaluated hourly for 6 hr and at sacrifice animals were sexed by gonad smear. Female controls burrowed overall approximately 30% less than males, the first report of sexual dimorphism in this behavior. Atrazine at 15 μg/L feminized burrowing in both sexes in that exposed animals burrowed 20% less than their same sex controls. Males treated with 1.5 μg /L ATR displayed approximately 20-fold higher vitellogenin (VTG) levels than same sex controls. Higher concentrations of ATR were not associated with increasing effects. A scatterplot showed a weak binomial curve associating low burrowing with high VTG levels. Taken together, these data suggest a non-linear dose-response in behavioral and physiological feminization produced by ATR and support the need to reconsider the widespread use of this compound.

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Burrowing and Crawling Behaviour of Three Species of Unionidae In Finland

Cited by 32 publications

References 11 publications

Slow, but steady: dispersal of freshwater molluscs

Slow, but steady: dispersal of freshwater molluscs

Escape Burrowing of Modern Freshwater Bivalves as a Paradigm for Escape Behavior in the Devonian Bivalve Archanodon catskillensis

Burrowing in the Freshwater MusselElliptio complanatais Sexually Dimorphic and Feminized by Low Levels of Atrazine

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