Biology:Laimosemion

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Laimosemion is a genus of fish in the family Rivulidae from the Amazon basin and basins in the Guiana Shield in tropical South America. They mostly inhabit small streams, creeks, swamps and pools in lowlands, but locally occur to an altitude of 1,300 m (4,300 ft).[1]

Like their relatives, the adult Laimosemion often inhabit very small isolated waters, but they are not annual species like some other killifish. The adults can move some distance over land to find another water source. They do this by repeatedly flipping their body. They commonly complete their life cycle in the water, often laying their eggs among plant material. However, their eggs can survive several days of drought, only hatching when again covered by water.[2][3]

The largest are up to 8.5 cm (3.3 in) in total length, but most Laimosemion species only reach around half that size.[4]

Species

Until 2011, Laimosemion were included in Rivulus,[5] and some prefer to maintain them in that genus.[6]

If recognized as a valid genus, there are currently 35 species in Laimosemion:[4][7]

  • Laimosemion agilae (Hoedeman, 1954)
  • Laimosemion altivelis (Huber, 1992)
  • Laimosemion amanapira (W. J. E. M. Costa, 2004)
  • Laimosemion anitae D. T. B. Nielsen, Jan Willem Hoetmer and Eric Vandekerkhove, [8]
  • Laimosemion breviceps (C. H. Eigenmann, 1909)
  • Laimosemion carolinae (Vermeulen & Mejia-Vargas, 2020)
  • Laimosemion cladophorus (Huber, 1991)
  • Laimosemion dibaphus (G. S. Myers, 1927)
  • Laimosemion flammaecauda (Vermeulen & Mejia-Vargas, 2020)
  • Laimosemion foliiscola (Vermeulen & Mejia-Vargas, 2020)
  • Laimosemion frenatum (C. H. Eigenmann, 1912)
  • Laimosemion geayi (Vaillant, 1899)
  • Laimosemion gili Valdesalici & Nielsen, 2017
  • Laimosemion gransabanae (Lasso A., Taphorn & Thomerson, 1992)
  • Laimosemion jauaperi W. J. E. M. Costa & Bragança, 2013[9]
  • Laimosemion kirovskyi (W. J. E. M. Costa, 2004)
  • Laimosemion leticia Valdesalici, 2016[10]
  • Laimosemion lyricauda (Thomerson, Berkenkamp & Taphorn, 1991)
  • Laimosemion mabura Valdesalici & García-Gil, 2015[11]
  • Laimosemion mahdiaense (Suijker & Collier, 2006)
  • Laimosemion nicoi (Thomerson & Taphorn, 1992)
  • Laimosemion paryagi Vermeulen, Suijker & Collier, 2012 (Paryag's killifish)[1]
  • Laimosemion rectocaudatum (Fels & de Rham, 1981)
  • Laimosemion roemeri (W. J. E. M. Costa, 2003)
  • Laimosemion sape (Lasso-Alcalá, Taphorn, Lasso A. & León-Mata, 2006)
  • Laimosemion sladkowskii (Vermeulen, 2023)
  • Laimosemion staecki (I. Schindler & Valdesalici, 2011)
  • Laimosemion strigatum (Regan, 1912)
  • Laimosemion tecminae (Thomerson, Nico & Taphorn, 1992)
  • Laimosemion tomasi (Vermeulen, Valdesalici & Garcia-Gil, 2013)
  • Laimosemion torrenticola (Vermeulen & Isbrücker, 2000)
  • Laimosemion uakti (W. J. E. M. Costa, 2004)
  • Laimosemion uatuman (W. J. E. M. Costa, 2004)
  • Laimosemion ubim W. J. E. M. Costa & Lazzarotto, 2014[12]
  • Laimosemion xiphidius (Huber, 1979)

References

  1. ↑ 1.0 1.1 Vermeulen, F.B.M.; Suijker, W.H.; Collier, G.E. (2012). "Laimosemion paryagi (Cyprinodontiformes: Aplocheiloidei: Rivulidae), a new species from the upper Mazaruni river drainage of Western Guyana". aqua, International Journal of Ichthyology 18 (4): 181-190. 
  2. ↑ Furness, A.I.; D.N. Reznick; A. Tatarenkov; J.C. Avise (2018). "The evolution of diapause in Rivulus (Laimosemion)". Zoological Journal of the Linnean Society 184 (3): 773–790. doi:10.1093/zoolinnean/zly021. 
  3. ↑ Furness, A.I. (2016). "The evolution of an annual life cycle in killifish: adaptation to ephemeral aquatic environments through embryonic diapause". Biol Rev Camb Philos Soc 91 (3): 796–812. doi:10.1111/brv.12194. PMID 25969869. 
  4. ↑ 4.0 4.1 Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Laimosemion in FishBase. November 2018 version.
  5. ↑ Costa, W.J.E.M. (2011). "Phylogenetic position and taxonomic status of Anablepsoides, Atlantirivulus, Cynodonichthys, Laimosemion and Melanorivulus (Cyprinodontiformes: Rivulidae)". Ichthyological Exploration of Freshwaters 22 (3): 233–249. 
  6. ↑ Huber, J.H. (2012). "Reappraisal of the Phylogeny of Rivulus and its Allied focused on External Characters". Killi-Data Series 2012: 9–25. 
  7. ↑ Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Species in the genus Laimosemion". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=species&genus=Laimosemion. 
  8. ↑ Dalton Tavares Bressane Nielsen; Jan Willem Hoetmer; Eric Vandekerkhove (2020). "Laimosemion anitae, a new species of Laimosemion genus, subgenus c (Cyprinodontiformes: Rivulidae) from Rio Juruá drainage, Amazon Basin, Brazil". AQUA International Journal of Ichthyology 28 (1): 37-43. 
  9. ↑ Costa, W.J.E.M.; Bragança, P.H.N. (2013). "A new miniature killifish of the genus Laimosemion, subgenus Owiyeye, from the Negro river drainage, Brazilian Amazon (Cyprinodontiformes: Rivulidae)". Ichthyological Exploration of Freshwaters 24 (1): 93-96. 
  10. ↑ Valdesalici, S. (2016). "Laimosemion leticia (Teleostei: Cyprinodontiformes: Rivulidae), a new species from the upper Rio Amazonas, Southern Colombia". Zootaxa 4085 (2): 279–284. 
  11. ↑ Valdesalici, S.; Gil, J.R.G. (2015). "Laimosemion mabura, a new killifish from the Essequibo River drainage, Guyana (Cyprinodontiformes: Rivulidae)". aqua, International Journal of Ichthyology 21 (4): 166-171. 
  12. ↑ Costa, W.J.E.M.; Lazzarotto, H. (2014). "Laimosemion ubim, a new miniature killifish from the Brazilian Amazon (Teleostei: Rivulidae)". Ichthyological Exploration of Freshwaters 24 (4): 371-389. 

Wikidata ☰ Q6473943 entry



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