Institute for Biodiversity Science and Sustainability

CAS Ichthyology Collection Database


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