Institute for Biodiversity Science and Sustainability

CAS Ichthyology Collection Database


CAS-SU(ICH) 47579 Gila nigrescens   [Catalog of Fishes]       ID by/date  Hubbs, C. L. / 1952 Leuciscidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Brittan, Martin R.  Field Number MRB 9-VIII-52 Date Collected 9 Aug 1952 
Continent/Ocean North America Country Mexico State Chihuahua State County
Water Body R. Polatado Drainage Island Group Island
Depth Width Salinity Gear
Locality Tributary of R. Janos, tributary of R. Casas Grandes, about 20 miles south of Barrendo (border entry).
Latitude-Longitude 30.946910°, -108.327977°; uncertainty: 6809 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksRio La Palotada, not Polatado. Measured along road. Point placed at MEX 2 crossing of Rio La Palotada and uncertainty determined using MaNIS.net georeferencing calculator.
Acc. Number Specimen Remarks USFWS-Threatened.
Collecting Event Remarks Locality #3.