A Virtual Museum on the State's Fish Biodiversity

TNHCi_7196

Not suspect, not examined
San Marcos Gambusia – Gambusia georgei
TX Endangered SGCN Federal: Endangered NS GX NS SX

Photos

Map

Location 29.87077° N, 97.93045° W (± 318.5 m)

Taxonomy

GenusGambusia
Speciesgeorgei

Specimen

Num Specimens21

Collection Event

CollectorHubbs, C., Laritz, Drewry, Cromack
Collected Date1960.9.17

Geography

DrainageGuadalupe
CountryUnited States
StateTexas
CountyHays
LocalitySan Marcos River at Hatchery and Thompson Island

Record Source

Source Texas Natural History Collections (type: specimens)
Institution Texas Natural History Collections (type: museum)
Curator Dean Hendrickson
Record Added May 13, 2010
Record Last Modified March 12, 2026
Data Processing Track Track 2
From Data Set Received 04/2009 to 10/2010

Identification

Suspect Notes None
Count 21

Current Determination

Actinopterygii Cyprinodontiformes Poeciliidae Gambusia Gambusia georgei
Determiner Fishes of Texas staff
Determination Date Unknown
Determination Type Unspecified
Identification Comments None
Identification Confidence Unknown

Collecting Event

Collected Sept. 18, 1960
Collecting Event ID 8833
Field Notes
There are no field notes available.

Locality

Region Blackland Prairies
Jurisdiction Hays, Texas
Name San Marcos River at Thompson's Island
Hydrography
USGS HUC Texas-Gulf Region Central Texas Coastal Guadalupe San Marcos Upper San Marcos River Purgatory Creek-San Marcos River
HydroBASINS   7519 751940 75194086 7519408600 751940860010
Captive no
Locality Photos
No locality photos available.
Ecoregion Northern Blackland Prairie
HUC 12 121002030302
NHDPlus COMID 1631111
Georeferencing Remarks Treated as San Marcos River at Thompson\'s Island
Georeferencing Annotation —
Has not been Georeferenced because —
flag (suspect/examine) June 30, 2021
suspect: noexamination: no
date June 27, 2012
date_range: 9/18/1960-9/18/1960
collectors May 23, 2012
collectors: Hubbs, Clark Laritz, M. Drewry, G. Cromack, K.
collectors November 5, 2011
collectors: Clark Hubbs, M. Laritz, G. Drewry, K. Cromack
date November 5, 2011
date_range: 9/17/1960-9/17/1960
staff comment November 5, 2011
ID Status: Not flagged for specimen examination. By default we accept donor specimen determinations (after synonymization to our taxonomy). If georeferenced to TX this record has been considered in spatial context with other occurences of this species and accepted as correct.
ID Comments: NAGeoref Remark: Treated as San Marcos River at Thompson's Island
georeference September 11, 2006
Error: 318.462355201274Remarks: Treated as San Marcos River at Thompson's IslandLocality: San Marcos River at Thompson's IslandCoordinates: 29.870770901;-97.930453542Georeferencer: AECGeographic note: Inland USA Texas
Treated as San Marcos River at Thompson's Island

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