| 词条 | Notropis megalops |
| 释义 |
| image = FMIB_40111_Notropis_swaini_Jordan_%26_Gilbert_San_Marcos_River,_San_Marcos,_Texas.jpeg | taxon = Notropis megalops | display_parents = 3 | authority = Girard, 1856 | synonyms = *Alburnus megalops Girard, 1856
| synonyms_ref = [1] }}Notropis megalops, the West Texas shiner, is a species of freshwater ray-finned fish from the family Cyprinidae, the carps and minnows. It was originally described by the French ichthyologist Charles Frédéric Girard in 1856 but was thought to be a misidentification for the Texas shiner (Notropis amiabilis) but detailed genetic and morphological studues have shown that N. megalops and N. amabilis are two valid but separate species. N. megalops has been found only in the drainage of the Rio Grande where it has a fragmented distribution and low levels of genetic diversity.[2] Notropis megalops is endemic to the Rio Grande drainage of Texas and in Coahuila and Nuevo León in Mexico and does not overlap with N. amiabilis and despite their morphological similarity they do not appear to be closely related.[3] References1. ^{{cite web | url = http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp | title = Species that contain: Notropis and megalops (not including unavailable names) | accessdate = 26 November 2017 | publisher = California Academy of Sciences | editor = William Eschmeyer | work = Catalog of Fishes}} {{Taxonbar|from=Q48970227}}{{Notropis-stub}}2. ^{{cite web | url = https://www.sciencedaily.com/releases/2016/04/160405161248.htm | title = 'Forgotten' fish turns up in West Texas | accessdate = 26 November 2017 | publisher = Science Daliy | author = Steve Byrns | date = 5 April 2016}} 3. ^{{cite journal | author1 = Kevin W. Conway | author2 = Daemin Kim | year = 2016 | title = Redescription of the Texas Shiner Notropis amabilis from the southwestern United States and northern Mexico with the reinstatement of N. megalops (Teleostei: Cyprinidae) | url = https://www.researchgate.net/publication/299656689_Redescription_of_the_Texas_Shiner_Notropis_amabilis_from_the_southwestern_United_States_and_northern_Mexico_with_the_reinstatement_of_N_megalops_Teleostei_Cyprinidae | journal = Ichthyol. Explor. Freshwaters | volume = 26 | issue = 4 | pages = 305–340}} 3 : Notropis|Freshwater fish of the United States|Fish described in 1856 |
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