Talk:Astyanax jordani

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Consolidation with Astyanax mexicanus?[edit]

Though there is much discussion, more recent work by Jeffery and colleagues [1][2] supports earlier work by Dowling[3] and Strecker[4] that suggests the definition of Astyanax mexicanus sp. encompases that of Astyanax jordani; i.e. Astyanax jordani is not a species in its own right, but a subpopulation of Astyanax mexicanus. I suggest Astyanax jordani page be merged with Astyanax mexicanus page.


  1. ^ Jeffery, W. Regressive evolution in Astyanax cavefish. Annu. Rev. Genet. 43, 25–47 (2009)
  2. ^ Bradic, M., Beerli, P., Garcia-de Leon, F. J., Esquivel-Bobadilla, S. & Borowsky, R. L. Gene flow and population structure in the Mexican blind cavefish complex (Astyanax mexicanus). BMC. Evol. Biol. 12, 9 (2012).
  3. ^ Dowling, T. E., Martasian, D. P. & Jeffery, W. R. Evidence for multiple genetic forms with similar eyeless phenotypes in the blind cavefish, Astyanax mexicanus. Mol. Biol. Evol. 19, 446–455 (2002).
  4. ^ Strecker, U., Faúndez, V. H. & Wilkens, H. Phylogeography of surface and cave Astyanax (Teleostei) from Central and North America based on cytochrome b sequence data. Mol. Phylogenet. Evol. 33, 469–481 (2004).

B82mo (talk) 10:59, 16 April 2014 (UTC)

I support this, but this would deviate from the usual taxonomic standard of FishBase and I'm open to other options. However, the current articles manage to confuse the matters completely: The full cave form (blind, colorless, etc) of Astyanax mexicanus = Astyanax jordani. Either you accept jordani as a valid species and no full cave forms of mexicanus exists, or you accept that mexicanus has full cave forms and jordani is a synonym. Instead we have several articles that all confuse them, as if they are different. I've now corrected some, but the taxonomic mess remains. RN1970 (talk) 18:56, 26 April 2017 (UTC)