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The San Marcos gambusia was typically less than 1.6 inches (4 cm) in length. It had a dark body with a slight blue tint, although the median fins were lemon yellow. The scales were strongly crosshatched, and the
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As of 1969, the population was less than 1,000 individuals. The species was threatened by reduced spring flows and pollution, including sprayed herbicide along the river and introduced fish (
935:
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336:. They appeared to need clean and clear water, with little temperature variability. They apparently also preferred shallow, quiet water, along with partial shade.
920:
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742:
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565:"U.S. Fish and Wildlife Service Proposes Delisting 23 Species from Endangered Species Act Due to Extinction | U.S. Fish & Wildlife Service"
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590:"21 Species Delisted from the Endangered Species Act due to Extinction | U.S. Fish & Wildlife Service"
83:
525:"Order CYPRINODONTIFORMES: Families POECILIIDAE, ANABLEPIDAE, VALENCIIDAE, APHANIIDAE and PROCATOPODIDAE"
194:
671:
617:
332:
The San Marcos gambusia has only been identified in a 0.6-mile (1-km) stretch of the headwaters of the
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356:). There have been no specimen sightings since 1983 and was proposed to be delisted from the
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305:. The fish were live bearing and were known to give birth to a few dozen young at a time.
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had a dark stripe along its edge. The species’ exact diet is not known, but other
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551:"Endangered Species of the Edwards Aquifer - Gambusia georgei"
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Christopher
Scharpf; Kenneth J. Lazara (26 October 2019).
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364:delisted the species effective November 16, 2023.
936:Fish of North America becoming extinct since 1500
624:page from the Texas Parks and Wildlife Department
529:The ETYFish Project Fish Name Etymology Database
411:10.2305/IUCN.UK.2013-1.RLTS.T8891A18233501.en
8:
531:. Christopher Scharpf and Kenneth J. Lazara
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258:. The fish has not been seen since 1983.
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50:
31:
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941:Species made extinct by human activities
441:Environmental Conservation Online System
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317:Downstream from the headwaters of the
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921:Extinct animals of the United States
878:D8B5F3CB-884C-467E-9966-92939F1947F1
852:BE5AFF7E-F8EA-7F01-493E-5C244A5B153A
397:IUCN Red List of Threatened Species
443:. U.S. Fish & Wildlife Service
25:
237:) is a likely extinct species of
97:
553:. The Edwards Aquifer Website.
1:
901:IUCN Red List extinct species
362:US Fish and Wildlife Service
250:that was found only in the
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502:Gambusia georgei year-2019
931:Taxa named by Clark Hubbs
200:
193:
94:Scientific classification
92:
70:
48:
39:
34:
498:; Pauly, Daniel (eds.).
270:of this fish honors the
301:larvae and other small
27:Extinct species of fish
926:Fish described in 1969
916:Endemic fauna of Texas
433:"San Marcos gambusia (
358:Endangered Species Act
329:
618:San Marcos gambusia (
316:
404:: e.T8891A18233501.
386:NatureServe (2013).
35:San Marcos gambusia
353:Colocasia esculenta
229:San Marcos gambusia
42:Conservation status
18:San Marcos Gambusia
330:
319:San Marcos Springs
252:San Marcos Springs
151:Cyprinodontiformes
911:San Marcos, Texas
888:
887:
834:Open Tree of Life
634:Taxon identifiers
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16:(Redirected from
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390:Gambusia georgei
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347:Gambusia affinis
334:San Marcos River
323:Aquarena Springs
234:Gambusia georgei
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596:. 2023-10-16
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571:. 2022-03-08
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29:
821:NatureServe
756:iNaturalist
666:Wikispecies
447:29 November
417:20 November
327:Spring Lake
284:Description
248:Poeciliidae
161:Poeciliidae
895:Categories
600:2023-10-17
575:2023-10-17
535:2 November
368:References
340:Extinction
295:poeciliids
291:dorsal fin
262:Etymology
243:from the
179:Species:
117:Kingdom:
111:Eukaryota
906:Gambusia
826:2.100088
774:10412209
730:FishBase
657:Q2241526
651:Wikidata
509:FishBase
272:American
240:Gambusia
214:C. Hubbs
172:Gambusia
157:Family:
131:Chordata
127:Phylum:
121:Animalia
107:Domain:
62:IUCN 3.1
873:ZooBank
865:1013251
839:3641780
748:2350623
594:FWS.gov
569:FWS.gov
309:Habitat
204:†
183:†
167:Genus:
147:Order:
137:Class:
82: (
79:Extinct
60: (
57:Extinct
800:165886
761:101202
722:207299
706:ECOS:
681:ARKive
325:, and
299:insect
245:family
220:, 1969
216:&
860:WoRMS
847:Plazi
787:82087
769:IRMNG
699:3F7VG
484:71644
466:47355
218:Peden
813:8891
808:IUCN
795:ITIS
743:GBIF
735:3219
709:7519
537:2019
449:2023
419:2021
402:2013
266:The
227:The
782:ISC
717:EoL
694:CoL
479:88
461:45
406:doi
254:of
84:ESA
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592:.
567:.
527:.
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481:FR
472:^
463:FR
439:.
437:)"
400:.
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376:^
321:,
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603:.
578:.
539:.
512:.
504:"
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451:.
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408::
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388:"
231:(
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20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
