337:), which had become common in the deeper central pond, with some individuals growing to 30 cm (12 in) in total length. No large individuals of the endemic species were found, and populations had declined precipitously. From 1968 to 1983 the ecosystem remained relatively stable, with water levels fluctuating 0.2-0.3 meters, and losing 10% of the pond's surface area. By 1984, the water level had dropped 1.5 meters, and the pond had lost 90% of its former surface area. On October 26, 1985, the water level dropped another 0.3 meters, and by the next summer no water was left in the pool or reservoir, limiting the distribution of the cyprinodontids and the crustacean to the small side springs downstream from the former pond. In conclusion, the species had become extinct in the wild due to invasive species and habitat alteration. Potosi pupfish are maintained in aquariums in both North America and Europe, and can be used as a basis for reintroducing it back into the wild in the future.
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Fin of nuptial male is white, milky or bluish white, the terminal black caudal fin bar is broad (wider than the pupil). Dorsal and anal fin of nuptial male has milky white edge, pelvic is bluish. Pectoral fins are grey-black. The interradial membranes of the rest of the caudal fin are immaculate in
301:
were also present in the spring. A large earthen and rock dam enlarged the original pool, and a series of seeps and secondary outflows created distributaries that ran 1–1.5 km (0.62–0.93 mi) downstream. The Potosi pupfish shared the pools with the
346:
both sexes. Nuptial males are typically without vertical bars. Both sexes possess a long mandible and prominent lower jaw and reduced pelvic fins. Mature individuals are typically 50–60 mm (2.0–2.4 in) in
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267:. The pool had a maximum depth of 2.5 metres (8 ft 2 in), and surface area of 10,000 m (110,000 sq ft), covered by abundant vegetation including
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768:"Order CYPRINODONTIFORMES: Families PANTANODONTIDAE, CYPRINODONTIDAE, PROFUNDULIDAE, GOODEIDAE, FUNDULIDAE and FLUVIPHYLACIDAE"
955:
239:
The Potosi pupfish is endemic to an isolated spring known as Ojo de Potosi near El Potosi, a settlement in southwestern
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Details on the number and presence of various characteristics of the Potosi pupfish, as collected by R.R. Miller:
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604:"Extinction of most Sandia and PotosĂ valleys (Nuevo LeĂłn, Mexico) endemic pupfishes, crayfishes and snails"
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329:) had sustained a small population from its introduction (which may have occurred before 1961), and
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Well developed in female/juvenile, males of <37mm (SL) may have remnants
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Contreras
Balderas, Salvador; Lozano-Vilano, Lourdes (1996-05-16).
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628:
Ceballos, G.; E.D. Pardo; L.M Estévez; H.E. Pérez, eds. (2016).
231:, but is now extinct in the wild, only surviving in captivity.
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The Potosi pupfish is endemic to a clear spring-fed pool in an
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Alvarez, F.; LĂłpez-MejĂa, M. & Pedraza Lara, C. (2010).
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Christopher
Scharpf; Kenneth J. Lazara (8 December 2023).
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Los peces dulceacuĂcolas de MĂ©xico en peligro de extinciĂłn
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Bulletin of the
Southern California Academy of Sciences
632:. Fondo de Cultura Económic. pp. 72–74, 78–79.
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251:, and is represented only by captive populations.
1092:Fish of North America becoming extinct since 1500
772:The ETYFish Project Fish Name Etymology Database
247:. However, the species is now regarded as being
678:10.2305/IUCN.UK.2010-3.RLTS.T153825A4550209.en
623:
621:
8:
803:. Downloaded on 2 February 2009 (in German).
576:10.2305/IUCN.UK.2019-2.RLTS.T6144A3104750.en
796:Luke, Karl-Heinz and Lothar Seegers. 1983.
774:. Christopher Scharpf and Kenneth J. Lazara
517:(1903-1986) who had originally intended to
263:known as 'La Hediondilla' near the foot of
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52:
31:
1057:IUCN Red List extinct in the wild species
676:
574:
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529:who took on the task of describing it.
525:, which he had collected in 1952, to
509:The Potosi pupfish's scientific name
7:
1034:3A731526-D9A7-410B-8D7B-A36DD828E77D
1008:DB97A2DC-91E7-FB12-FF31-4EFCEE0019BC
730:
728:
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697:
695:
664:IUCN Red List of Threatened Species
562:IUCN Red List of Threatened Species
1087:Natural history of San Luis PotosĂ
255:Habitat and extinction in the wild
25:
737:"Four new pupfishes of the genus
1067:Taxa named by Robert Rush Miller
77:
741:from Mexico, with a key to the
521:the species, but had given the
407:Scales around Caudal Peduncle
321:. In addition, the introduced
1:
608:Ichthyol. Explor. Freshwaters
551:Valdes Gonzales, A. (2019).
1108:
1082:Freshwater fish of Mexico
386:26-27 (predominantly 26)
179:
172:
74:Scientific classification
72:
50:
41:
34:
467:13-17 (usually 15 or 16)
378:16-20 (typically 17-19)
515:Jose Alvarez del Villar
1077:Endemic fish of Mexico
1072:Fish described in 1976
735:Miller, R.R. (1976).
671:: e.T153825A4550209.
496:10-12 (usually 11-12)
473:16-20 (usually 17-19)
461:10-12 (usually 10-11)
418:30-34 (typically 32)
410:14-16 (typically 16)
370:24-26 (typically 25)
335:Micropterus salmoides
317:which are both fully
657:Cambarellus alvarezi
399:Branchiostegal rays
313:Cambarellus alvarezi
865:cyprinodon-alvarezi
851:Cyprinodon alvarezi
821:Cyprinodon alvarezi
799:Cyprinodon alvarezi
705:Cyprinodon alvarezi
569:: e.T6144A3104750.
555:Cyprinodon alvarezi
511:Cyprinodon alvarezi
431:Dorsal-fin ocellus
415:Scales around body
310:) and the crayfish
249:extinct in the wild
205:Cyprinodon alvarezi
183:Cyprinodon alvarezi
59:Extinct in the Wild
44:Conservation status
36:Cyprinodon alvarezi
18:Cyprinodon alvarezi
743:Cyprinodon eximius
527:Robert Rush Miller
493:24-26 (usually 25)
426:2-5 (typically 4)
131:Cyprinodontiformes
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990:Open Tree of Life
813:Taxon identifiers
707:– Potosà Pupfish"
639:978-607-16-4087-1
502:
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464:9-11 (usually 10)
391:Mandibular pores
327:Carassius auratus
308:Megupsilon aporus
289:Sparse clumps of
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470:5-7 (usually 6)
423:Lacrimal pores
367:Lateral scales
348:standard length
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331:largemouth bass
261:endorheic basin
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221:Cyprinodontidae
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141:Cyprinodontidae
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265:Cerro Potosi
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235:Distribution
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190:R. R. Miller
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35:
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925:iNaturalist
845:Wikispecies
801:Miller 1976
755:(2): 68–75.
582:16 November
486:Dorsal-anal
341:Description
285:Utricularia
1062:Cyprinodon
1051:Categories
739:Cyprinodon
716:2018-07-16
533:References
439:Fin rays:
383:Vertebrae
278:Nasturtium
241:Nuevo Leon
152:Cyprinodon
505:Etymology
243:state in
159:Species:
97:Kingdom:
91:Eukaryota
943:10574037
899:FishBase
830:Wikidata
778:23 March
745:complex"
519:describe
513:honours
480:Scales:
448:Pectoral
359:Feature
323:goldfish
223:. It is
137:Family:
111:Chordata
107:Phylum:
101:Animalia
87:Domain:
64:IUCN 3.1
1029:ZooBank
1021:1383664
917:2347879
836:Q302274
684:16 July
483:Lateral
319:extinct
298:Scirpus
225:endemic
216:in the
210:species
208:) is a
147:Genus:
127:Order:
117:Class:
62: (
995:147470
982:323268
956:647218
891:212491
860:ARKive
636:
454:Caudal
451:Pelvic
442:Dorsal
245:Mexico
229:Mexico
218:family
192:, 1976
1016:WoRMS
1003:Plazi
938:IRMNG
930:98918
878:33HKV
292:Typha
274:Najas
977:NCBI
969:6144
964:IUCN
951:ITIS
912:GBIF
904:6246
780:2024
686:2018
669:2010
634:ISBN
584:2021
567:2019
523:type
445:Anal
402:5-6
295:and
282:and
214:fish
886:EoL
873:CoL
673:doi
571:doi
227:to
212:of
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747:.
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394:2
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333:(
325:(
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202:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
