Monoporeia affinis
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Monoporeia affinis   (Lindstrom, 1855)


Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Monoporeia affinis  AquaMaps  Data sources: GBIF OBIS
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No drawings available for Pontoporeiidae.

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Malacostraca | Amphipoda | Pontoporeiidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; brackish; depth range 10 - 80 m (Ref. 67162).  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northeast Atlantic: Germany, Sweden and Estonia, Baltic Sea.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Biology     Glossary (e.g. epibenthic)

Depth range in the Baltic Sea (Ref. 67162). In the Baltic Sea, inhabits brackish waters (Ref. 95752). In the German Baltic Sea, found at depths over 35 meters, mainly on muddy areas characterized by icy temperatures and salinity of 15 to 20 psu (Ref. 95730). An infaunal species in sandy substrates in localities around the Åland Islands and in SW Finland in the northern Baltic Sea (Ref. 95819). Mainly occurs in the top 5 cm of the sediment and feeds rapidly (Ref. 90432). A mobile, surface detritivore (Ref. 95752). Are active nocturnal swimmers. Growth periods linked to spring phytoplankton blooms. Semelparous, with lifecycles lasting from 1 to 3 years in the northern Baltic proper. Eggs hatch in March-April. Sexual maturity is attained in 6 to 7 months (autumn). Males then undergo metamorphosis to adapt to pelagic life during which they do not feed, mate with females along the water column and then eventually die. The females, on the other hand, die after releasing their young the following spring (Ref. 90432).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

A semelparous species reproducing in early spring with a life cycle of 1 to 4 years (Ref. 96092).

Main reference References | Coordinator | Collaborators

Bonsdorff, E. and T.H. Pearson 1999 Variation in the sublittoral macrozoobenthos of the Baltic Sea along environmental gradients: A functional-group approach. Australian Journal of Ecology 24:312-326. (Ref. 95752)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
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FAO areas
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Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
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Taxonomy
Common names
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References
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 3.2 - 9.7, mean 6.7 (based on 56 cells).
Price category (Ref. 80766): Unknown.

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