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CAS Ichthyology Collection Database

Filter: Genus=Istlarius;Species=balsanus;
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CAS-SU(ICH) 6208 Istlarius balsanus   [Catalog of Fishes] PARATYPE ID by/date  Jordan & Snyder / 1901 Ictaluridae
Counts (Alc/Skel/CS) 9/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Jordan, David S.; Snyder, John O.  Field Number J&S 3-I-99 Date Collected 3 Jan 1899 
Continent/Ocean North America Country Mexico State Morelos State County
Water Body R. Ixtla Drainage R. Balsas Basin Island Group Island
Depth Width Salinity Gear
Locality A large, clear, cold tributary of Rio Amacusac at Puente de Ixtla.
Latitude-Longitude 18.616686°, -99.325363°; uncertainty: 295 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type gravelly bottom, occasional deep holes
Georef. RemarksCollected at turn of 19th to 20th Century."Rio Ixtla" non-existent;possibly an error. Likely correct name: "Rio Chalma" (the 4 rivers of Puente de Ixtla are: Chalma, Tembembe, Amacuzac, and Apatlaco). Location chosen according to description in "Notes on
Acc. Number Specimen Remarks Publ.: Bull. USFC, v.19(for 1899): 118, figs.1-2.
Collecting Event Remarks

CAS-SU(ICH) 6149 Istlarius balsanus   [Catalog of Fishes] HOLOTYPE  [image] ID by/date  Jordan & Snyder / 1899 Ictaluridae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH; radiograph Other/Previous Number Size      
Collector; Vessel Jordan, David S.; Snyder, John O.  Field Number J&S 3-I-99 Date Collected 3 Jan 1899 
Continent/Ocean North America Country Mexico State Morelos State County
Water Body R. Ixtla Drainage R. Balsas Basin Island Group Island
Depth Width Salinity Gear
Locality A large, clear, cold tributary of Rio Amacusac at Puente de Ixtla.
Latitude-Longitude 18.616686°, -99.325363°; uncertainty: 295 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type gravelly bottom, occasional deep holes
Georef. RemarksCollected at turn of 19th to 20th Century."Rio Ixtla" non-existent;possibly an error. Likely correct name: "Rio Chalma" (the 4 rivers of Puente de Ixtla are: Chalma, Tembembe, Amacuzac, and Apatlaco). Location chosen according to description in "Notes on
Acc. Number Specimen Remarks Publ.: Bull. US Fish Comm. v.19, p.118, figs.1-2.
Collecting Event Remarks

CAS-SU(ICH) 12197 Istlarius balsanus   [Catalog of Fishes]       ID by/date  Ictaluridae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc Other/Previous Number Size      
Collector; Vessel Snyder, John Otterbein; Jordan, David Starr  Field Number JOS 1898D Date Collected  
Continent/Ocean North America Country Mexico State Morelos State County
Water Body RIO IXTLA Drainage RIO BALSAS BASIN Island Group Island
Depth Width Salinity Gear
Locality a large, clear, cold tributary of Rio Amacusac at Puente de Ixtla.
Latitude-Longitude 18.616686°, -99.325363°; uncertainty: 295 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type gravelly bottom, occasional deep holes
Georef. RemarksCollected at turn of 19th to 20th Century."Rio Ixtla" non-existent;possibly an error. Likely correct name: "Rio Chalma" (the 4 rivers of Puente de Ixtla are: Chalma, Tembembe, Amacuzac, and Apatlaco). Location chosen according to description in "Notes on
Acc. Number Specimen Remarks
Collecting Event Remarks
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