Biology:Troglocaris

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Short description: Genus of crustaceans


Troglocaris
PMS - jamska kozica Troglocaris.jpg
Troglocaris anophthalmus
Scientific classification
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Troglocaris

Dormitzer, 1853
Type species
Palaemon anophthalmus
Kollar, 1848

Troglocaris is a genus of freshwater shrimp in the family Atyidae.[1] These stygobitic, whitish and eyeless shrimp are found in Southern Europe (Dinaric Alps and West Caucasus).[2] Although locally very common,[3] the small ranges of the individual species make them highly vulnerable to habitat loss, for example by water extraction.[4] Their underground habitat is often extremely stable; for example, the Vipavska jama cave in Slovenia is home to a population of T. anophthalmus, and its water only varies from 10 °C (50 °F) in the winter to 11 °C (52 °F) in the summer.[4] In some Dinaric caves, notably Vjetrenica, as many as three species may occur together.[3]

These shrimp sometimes fall prey to olm salamanders, but are able to survive injuries if the attack fails.[4] The Dinaric Troglocaris are the main host of several species of parasitic or epizoic flatworms of the family Scutariellidae (order Temnocephalida).[3]

Species

Troglocaris currently contains 15 described species, but there are also a number of undescribed species.[2][5] Gallocaris inermis, a stygobitic shrimp from southern France, was formerly included in Troglocaris.[2]

Subgenus Troglocaris
  • Troglocaris anophthalmus (Kollar, 1848)
  • Troglocaris bosnica Sket & Zakšek, 2009
  • Troglocaris planinensis Birštejn, 1948
Subgenus Xiphocaridinella
  • Troglocaris ablaskiri Birštejn, 1939
  • Troglocaris birsteini Mugue, Zueva & Ershov, 2001
  • Troglocaris fagei Birštejn, 1939
  • Troglocaris jusbaschjani Birštejn, 1948
  • Troglocaris kutaissiana (Sadovskij, 1930)
  • Troglocaris osterloffi Juzbaš'jan, 1940
  • Troglocaris otapi Marin, 2018
Subgenus Troglocaridella
  • Troglocaris hercegovinensis (Babić, 1922)
Subgenus Spelaeocaris
  • Troglocaris kapellana Sket & Zakšek, 2009
  • Troglocaris neglecta Sket & Zakšek, 2009
  • Troglocaris prasence Sket & Zakšek, 2009
  • Troglocaris pretneri (Matjašič, 1956)

See also

  • Typhlatya – the only other atyid shrimp from subterranean habitats in Europe
  • Typhlocaris – the only non-atyid shrimp from subterranean habitats in Europe

References

  1. Sammy De Grave et al. (2009). "A classification of living and fossil genera of decapod crustaceans". Raffles Bulletin of Zoology Suppl. 21: 1–109. http://rmbr.nus.edu.sg/rbz/biblio/s21/s21rbz1-109.pdf. 
  2. 2.0 2.1 2.2 Boris Sket; Valerija Zakšek (2009). "European cave shrimp species (Decapoda: Caridea: Atyidae), redefined after a phylogenetic study; redefinition of some taxa, a new genus and four new Troglocaris species". Zoological Journal of the Linnean Society 155 (4): 786–818. doi:10.1111/j.1096-3642.2008.00473.x. 
  3. 3.0 3.1 3.2 Encyclopedia of Caves (2 ed.). 2012. p. 234. ISBN 978-0-12-383832-2. 
  4. 4.0 4.1 4.2 Jugovic E.; J.E. Praprotnik; V. Buzan; M. Lužnik (2015). "Estimating population size of the cave shrimp Troglocaris anophthalmus (Crustacea, Decapoda, Caridea) using mark–release–recapture data". Animal Biodiversity and Conservation 38 (1): 77–86. 
  5. Ivan Marin (2018). "Cryptic Diversity of Stygobiotic Shrimp Genus Xiphocaridinella Sadowsky, 1930 (Crustacea: Decapoda: Atyidae): The First Case of Species Co-occurrence in the Same Cave System in the Western Caucasus". Zootaxa 4441 (2): 201–224. doi:10.11646/zootaxa.4441.2.1. PMID 30314006. 

External links

Wikidata ☰ Q3999613 entry