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CAS Ichthyology Collection Database

Filter: Genus=Cyprinodon;Species=nazas;
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CAS-ICH 27935 Cyprinodon nazas   [Catalog of Fishes]       ID by/date  Humphries, J. / 1984 Cyprinodontidae
Counts (Alc/Skel/CS) 6/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Brittan, Martin; Glynn, Peter  Field Number B&G 15-VIII-52 Date Collected 15 Aug 1952 
Continent/Ocean North America Country Mexico State Durango State County
Water Body R. NAZAS Drainage Island Group Island
Depth Width Salinity Gear
Locality at bridge on Torreon-Durango highway, about 2 mi. s. of Lerdo, at town of La Goma.
Latitude-Longitude 25.501170°, -103.639856°; uncertainty: 8961 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksDescription is ambiguous/contains conflicting information, because La Goma is not 2 miles from Lerdo (more like 10 miles WSW). Marker placed at bridge crossing the Nazas, approximately 2.6 miles South of Lerdo's *latitude*. Since date of collection in 1950's, Rio Nazas has pretty much dried up due to human activity.
Acc. Number 1973-VI:11 Specimen Remarks
Collecting Event Remarks

CAS-ICH 33902 Cyprinodon nazas   [Catalog of Fishes] PARATYPE ID by/date  Miller, R. R. / 1 May 1976 Cyprinodontidae
Counts (Alc/Skel/CS) 395/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Weitzman, S. H.; Solorzano  Field Number SW VIII:9:'52-2 Date Collected 1 Aug 1952 
Continent/Ocean North America Country Mexico State Durango State County
Water Body Rio Del Peñon de Covadonza [Covadonga] Drainage Island Group Island
Depth Width Salinity Gear
Locality at La Concha, five miles upstream from Penon Blanco, below falls at hot spring (water 92 deg. F); trib. of Rio Nazas.
Latitude-Longitude 24.732699°, -104.089808°; uncertainty: 389 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksMarker placed on Rio Peņon Blanco at La Concha (no reference to "Covadonza" or COVADONGA (please correct to COVADONGA, in any case, which is correct spelling) on Mexican INEGI. Polygon includes area to the NW marked as "Hot Spring Spa/Resort (balneario)"
Acc. Number 1954-VI:23 Specimen Remarks
Collecting Event Remarks

CAS-ICH 33903 Cyprinodon nazas   [Catalog of Fishes] PARATYPE ID by/date  Miller, R. R. / 1 May 1976 Cyprinodontidae
Counts (Alc/Skel/CS) 6/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Weitzman, S. H.; Solorzano  Field Number SW VIII:9:'52-3 Date Collected 1 Aug 1952 
Continent/Ocean North America Country Mexico State Durango State County
Water Body Rio del Peñon de Covadonza [Covadonga] Drainage Island Group Island
Depth Width Salinity Gear
Locality at La Concha, fourteen miles from Yerbanis on road between Durango & Torreon; tributary of Rio Nazas.
Latitude-Longitude 24.732699°, -104.089808°; uncertainty: 389 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksMarker placed on Rio Peņon Blanco at La Concha (no reference to "Covadonza" or COVADONGA (please correct to COVADONGA, in any case, which is correct spelling) on Mexican INEGI). Correct distance from Yerbanis to La Concha is actually 16 air-miles or 20 road-miles.
Acc. Number Specimen Remarks
Collecting Event Remarks
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