Biology:Lepidurus arcticus

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Short description: Species of small freshwater animal

Lepidurus arcticus
Skjoldkreps (Lepidurus arcticus).jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Branchiopoda
Order: Notostraca
Family: Triopsidae
Genus: Lepidurus
Species:
L. arcticus
Binomial name
Lepidurus arcticus
(Pallas, 1793) [1]

Arctic tadpole shrimp Lepidurus arcticus[2] is a species of tadpole shrimp which inhabits ephemeral pools, ponds or permanent freshwater lakes of Finland ,[3][4][5] Norway , Sweden,[6] Svalbard,[2][7] Greenland, Iceland, Russia and the Kuril Islands.[8][9]

Unlike other species of tadpole shrimp, Lepidurus arcticus is known to coexist with fish, such as Arctic char,[4] brown trout[6] and European whitefish.[5] Furthermore, they exist in water temperatures much colder (4–7 °C or 39–45 °F) than the other species of its order.[9] About 14 °C seems to be the upper thermal threshold for where in which waters it can live.[10] It is a common predator of Daphnia pulex.[11]

References

  1. "Lepidurus arcticus". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=83759. Retrieved May 28, 2013. 
  2. 2.0 2.1 Lakka, Hanna-Kaisa (2013) (in en). The ecology of a freshwater crustacean: Lepidurus arcticus (Branchiopoda, Notostraca) in a High Arctic region.. University of Helsinki. pp. 151. http://urn.fi/URN:NBN:fi-fe20180115161. 
  3. Lakka, Hanna-Kaisa (2020) (in en). Environmental Change in Arctic Freshwaters: The Response of Indicator Species to Global Warming and Acidification in the Arctic.. University of Jyväskylä.. pp. 51. ISBN 978-951-39-8326-0. http://urn.fi/URN:ISBN:978-951-39-8326-0. 
  4. 4.0 4.1 Järvinen, A; Lakka, H-K; Sujala, M (2014). "Arktinen Kilpikidusjalkainen, tunturivesien elävä fossiili, löydetty jälleen Suomesta. ("The living fossil Arctic tadpole shrimp was found again in Finland")" (in fi). Luonnon Tutkija 1: 19–24. 
  5. 5.0 5.1 Lakka, H-K; Leppänen, A; Mykrä, H; Vaajala, M; Raineva, S; Lensu, T; Salonen, E (2019). "Paljakkakilpiäinen siian ravintona Inarijärvessä". Luonnon Tutkija 2: 66–70. 
  6. 6.0 6.1 Qvenild, T; Fjeld, E; Fjellheim, A; Hammar, J; Hesthagen, T; Lakka, H-K (2021). "Upper thermal threshold of Lepidurus arcticus (Branchiopoda, Notostraca) in lakes on the southern outreach of its distribution range.". Fauna Norvegica 41: 50–88. doi:10.5324/fn.v41i0.3832. ISSN 1891-5396. 
  7. Lakka, Hanna-Kaisa (2015). "Description of the male Lepidurus arcticus (Branchiopoda: Notostraca) and the potential role of cannibalism in defining male form and population sex ratio". Journal of Crustacean Biology 35 (3): 319–329. doi:10.1163/1937240X-00002324. https://doi.org/10.1163/1937240X-00002324. 
  8. Schlager, Neil, et al. Grzimek's Animal Life Encyclopedia. Gale. 2004 ISBN:0-7876-5362-4.
  9. 9.0 9.1 "Species Descriptions by Chip Hannum". http://mytriops.com/articles/triops_species2.stm. 
  10. Upper thermal threshold of Lepidurus arcticus (Branchiopoda, Notostraca) in lakes on the southern outreach of its distribution range
  11. Kirsten Christoffersen (2001). "Predation on Daphnia pulex by Lepidurus arcticus". Hydrobiologia 442 (1–3): 223–229. doi:10.1023/A:1017584928657. 

Wikidata ☰ Q4021106 entry