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A Virtual Museum on the State's Fish Biodiversity

TNHCi_23060

Not suspect, examined
Speckled Chub Macrhybopsis aestivalis
TX Threatened SGCN NS G3 NS S1

Photos

No photos available.

Map

Location 29.32549° N, 104.04688° W (± 30590.4 m)

Taxonomy

GenusMacrhybopsis
Speciesaestivalis

Specimen

Num Specimens62

Identification

DeterminerG. P. Garrett

Collection Event

CollectorGarrett, G. P. et al.
Collected Date1993.2.8

Geography

DrainageRio Grande
CountryUnited States
StateTexas
CountyBrewster
LocalityBig Bend Ranch

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 23, 2026
Data Processing Track Track 2
From Data Set Received 04/2009 to 10/2010

Identification

Suspect Notes None
Count 62

Current Determination

Actinopterygii Cypriniformes Cyprinidae Macrhybopsis Macrhybopsis aestivalis
Determiner Floyd Douglas Martin
Determination Date Feb. 11, 2016
Determination Type specimen examination
Identification Comments Specimen examined and Id'ed for FoTX project. | while clearly M. aestivalis in all other characteristics, this population has a broad, distinct lateral stripe atypical of M. aestivalis
Identification Confidence High

Collecting Event

Collected March 9, 1993
Collecting Event ID 5240
Field Notes

Locality

Region Trans Pecos
Jurisdiction Mexico
Name Rio Grande at Big Bend Ranch
Hydrography Rio Grande Region Rio Grande-Amistad Rio Grande-Amistad Black Hills-Fresno Panther Creek-Rio Grande Rancherias Canyon-Rio Grande
Captive no
Locality Photos
No locality photos available.
Ecoregion Trans Pecos
HUC 12 130402030705
Georeferencing Remarks Original georeference was incorrect and updated
Georeferencing Annotation Used online map for Ranch boundaries: http://www.trailridersjournalonline.com/TEXAS%20EQUESTRIAN%20TRAILS%20-%20MAPS/BIG-BEND-RANCH---PRESIDIO.jpg
Has not been Georeferenced because
flag (suspect/examine) June 30, 2021
suspect: noexamination: yes
staff comment July 31, 2012
not currently verified
date June 27, 2012
date_range: 3/9/1993-3/9/1993
collectors May 23, 2012
collectors: Garrett, Gary P.
staff comment November 5, 2011
ID Status: This lot in need of examination, but not yet examined. Work in progress.Georef Remark: Original georeference was incorrect and updated
Georef Annotation: Used online map for Ranch boundaries: http://www.trailridersjournalonline.com/TEXAS%20EQUESTRIAN%20TRAILS%20-%20MAPS/BIG-BEND-RANCH---PRESIDIO.jpg
collectors November 5, 2011
collectors: Gary P. Garrett
date November 5, 2011
date_range: 2/8/1993-2/8/1993
staff comment February 3, 2011
not currently verified
georeference November 17, 2010
Error: 30590.4107518687
Remarks: Original georeference was incorrect and updated Used online map for Ranch boundaries: http://www.trailridersjournalonline.com/TEXAS%20EQUESTRIAN%20TRAILS%20-%20MAPS/BIG-BEND-RANCH---PRESIDIO.jpg
Locality: Rio Grande River at Big Bend RanchCoordinates: 29.325486047;-104.046884787Georeferencer: MJCGeographic note: Inland USA Texas
Original georeference was incorrect and updated Used online map for Ranch boundaries: http://www.trailridersjournalonline.com/TEXAS%20EQUESTRIAN%20TRAILS%20-%20MAPS/BIG-BEND-RANCH---PRESIDIO.jpg

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