Diel vertical migration and feeding patterns of Mysis mixta (Crustacea, Mysidacea) in the Baltic Sea

Rudstam, Lars G.; Danielsson, Kristina; Hansson, Sture; Johansson, Sofia

doi:10.1007/bf00393476

Cited by 100 publications

(81 citation statements)

References 15 publications

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“…by M. mixta in laboratory experiments, probably due to their high escape capability (Viitasalo and Rautio 1998;Viitasalo et al 2001). In accordance with our results, copepods and cladocerans were described as the main prey items in former studies Rudstam et al 1989) together with detritus and plant material (Rudstam et al 1989;Lehtiniemi and Nordström 2008). An ontogenetic shift in food preference of M. mixta from sedimented phytoplankton to mesozooplankton described by Viherluoto et al (2000), which these authors ascribed to ineYcient handling of mesozooplankton by small mysids (<7 mm), was not absolutely conWrmed here.…”

Section: Prey Compositionsupporting

confidence: 93%

“…M. mixta is described as a pelagic species inhabiting deeper waters. There it lives nectobenthic, is in bottom contact during daytime and performs diurnal vertical migrations (Rudstam et al 1989;Köhn 1992;Kotta and Kotta 2001). N. integer, Praunus spp.…”

Section: Species Composition and Distributionmentioning

confidence: 99%

“…Rudstam et al 1989;Viherluoto et al 2000;Lehtiniemi and Nordström 2008). M. mixta Mohammadian et al 1997; and N. integer (Köhn 1992) showed a preference towards carnivory.…”

Section: Prey Compositionmentioning

confidence: 99%

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Ecology of mysid shrimps in the Bornholm Basin (central Baltic Sea)

Barz

Hirche

2009

Helgol Mar Res

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Mysid shrimps are an important trophic link in the food web of the Baltic Sea. In 2002 and 2003 we investigated species composition, distribution, life cycle and prey in the Bornholm Basin (central Baltic). Three species and one genus were identiWed: Mysis mixta, Neomysis integer, Mesopodopsis slabberi and Praunus sp. The dominant M. mixta and N. integer occurred in the whole study area but were more abundant in the peripheral, more shallow regions. Size frequency distribution indicated one generation for M. mixta and probably two for N. integer. Main prey of all size classes in both species was the cladoceran Bosmina coregoni maritima during summer and autumn. In spring and winter also copepods of the species Temora longicornis and Pseudocalanus acuspes were important prey items. Detritus and phytoplankton cells were of minor importance and many individuals had empty guts. Mysid shrimps in the deep basin might be advected from more shallow areas, as the abundance of all species was much lower than in coastal regions. The deep Bornholm Basin does not seem to be a favourable habitat, probably due to the inaccessibility of the oxygen deWcient bottom layer. Under current hydrographic conditions mysids are probably not important predators of zooplankton and thus not competitors of planktivorous Wsh in the Bornholm Basin.

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Section: Prey Compositionsupporting

confidence: 93%

Section: Species Composition and Distributionmentioning

confidence: 99%

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Ecology of mysid shrimps in the Bornholm Basin (central Baltic Sea)

Barz

Hirche

2009

Helgol Mar Res

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“…have been observed on the bottom at night (Moen & Langeland, 1989;Rudstam et al, 1989;Ogonowski et al, 2013). Despite no quantitative assessment, the proportion of Mysis remaining on the bottom at night in November appears substantial.…”

Section: Discussionmentioning

confidence: 93%

“…in the Baltic Sea was described several decades ago (Rudstam et al, 1989) and more recently (Ogonowski et al, 2013). Using stable isotopes as markers of differences in foraging arenas, Ogonowski et al (2013) found that M. salemaai (Audzijonyt_ e & Väinölä, 2005) exhibited isotope differences within the population.…”

Section: Introductionmentioning

confidence: 99%

Partial diel vertical migration in an omnivorous macroinvertebrate, Mysis diluviana

2016

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Partial migration, whereby only a portion of a population migrates, has just recently received attention in aquatic systems. Partial diel vertical migration (DVM) has received even less attention but could significantly influence our understanding of trophic interactions and nutrient movement in open water systems. Recent work in the Baltic Sea shows differences in isotope composition between benthic and pelagic Mysis salemaai sampled at night, suggesting that partial DVM may be fixed at the individual level. Historic observations of North American M. diluviana suggest partial DVM in this species, but this behavior has largely been ignored in the literature. We used length, occurrence of gravid females, and body d 13 C, d 15 N, d 34 S, and C:N ratio as markers to test for differences among adult M. diluviana collected from benthic and pelagic habitats at night in Lake Champlain, USA. We found differences in body length and occurrence of gravid females between pelagic-and benthic-caught M. diluviana and differences in C:N between pelagic-and benthiccaught non-gravid individuals, consistent with life stage and body condition hypotheses for partial migration. Partial DVM of M. diluviana could have significant impacts on population assessments which could bias food web models used in basic research and management.

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Field Methods

and¹,

Elliott²

2002

Fishes in Estuaries

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Diel vertical migration and feeding patterns of Mysis mixta (Crustacea, Mysidacea) in the Baltic Sea

Cited by 100 publications

References 15 publications

Ecology of mysid shrimps in the Bornholm Basin (central Baltic Sea)

Ecology of mysid shrimps in the Bornholm Basin (central Baltic Sea)

Partial diel vertical migration in an omnivorous macroinvertebrate, Mysis diluviana

Field Methods

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