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CAS Ichthyology Collection Database

Filter: Genus=Hemiodus;Species=unimaculatus;
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CAS-ICH 68294 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 3/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12196 Size      
Collector; Vessel Eigenmann, Carl H.  Field Number Z68294 Date Collected 5 Nov 1908 
Continent/Ocean South America Country Guyana State County
Water Body Drainage Essequibo R. basin Island Group Island
Depth Width Salinity Gear
Locality Crab Falls.
Latitude-Longitude 5.400000°, -58.850000°; uncertainty: 720 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksCoordinates at Crab Falls.
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 68295 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12199 Size      
Collector; Vessel Eigenmann, Carl H.  Field Number Z68295 Date Collected 30 Oct 1908 
Continent/Ocean South America Country Guyana State County
Water Body Drainage Essequibo R. basin Island Group Island
Depth Width Salinity Gear
Locality Gluck I.
Latitude-Longitude 5.958050°, -58.568361°; uncertainty: 5949 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksPolygon covers Essequibo River around Gluck Island.
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 68296 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 4/0/1 Prep Type - Preservative alc-75% EtOH; C&S-GLYCERINE Other/Previous Number IU 12193 Size      
Collector; Vessel Shideler, S. E.  Field Number SES X-08C Date Collected Oct 1908 - Oct 1908 
Continent/Ocean South America Country Guyana State County
Water Body Essequibo River Drainage Essequibo R. basin Island Group Island
Depth Width Salinity Gear
Locality Bartica Rock, near confluence of Mayaruni River with the Essequibo
Latitude-Longitude 6.420957°, -58.619171°; uncertainty: 3371 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksCoordinates at Essequibo River in Bartica.
Acc. Number Specimen Remarks 1 to Dr. Fatou, 5 July 1955 (SL = 86mm).
Collecting Event Remarks Exped. to British Guiana (Indiana Univ. & Carnegie Mus.)

CAS-ICH 68297 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 2/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12201 Size      
Collector; Vessel Eigenmann, Carl H.  Field Number Z68297 Date Collected 2 Oct 1908 
Continent/Ocean South America Country Guyana State County
Water Body Drainage Essequibo R. basin Island Group Island
Depth Width Salinity Gear
Locality sand bank at Rockstone.
Latitude-Longitude 5.980685°, -58.554029°; uncertainty: 3799 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksCoordinates at Essequibo River in Rockstone.
Acc. Number Specimen Remarks 1 removed for staining by J. Bohlke (7/5/55; 123mm SL)
Collecting Event Remarks

CAS-ICH 68298 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 3/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12192 Size      
Collector; Vessel Eigenamnn, C. H.; Shideler, S. E.  Field Number Z68298 Date Collected  
Continent/Ocean South America Country Guyana State County
Water Body Drainage Demerara R. basin Island Group Island
Depth Width Salinity Gear
Locality Malali.
Latitude-Longitude 5.602060°, -58.388109°; uncertainty: 3621 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksPolygon covers Demerara River around Malali.
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 68299 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 4/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12195 Size      
Collector; Vessel Eigenmann, Carl H.  Field Number Z68299 Date Collected 24 Sep 1908 
Continent/Ocean South America Country Guyana State County
Water Body Drainage Demerara R. basin Island Group Island
Depth Width Salinity Gear
Locality Wismar.
Latitude-Longitude 5.995968°, -58.303749°; uncertainty: 2341 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksPolygon covers Demerara River around Wismar.
Acc. Number Specimen Remarks 1 removed by J. Bohlke for staining (7/5/55; 60.5mm SL)
Collecting Event Remarks

CAS-ICH 68300 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 4/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12197 Size      
Collector; Vessel Eigenmann, Carl H.  Field Number Z68300 Date Collected  
Continent/Ocean South America Country Guyana State County
Water Body Drainage Demerara R. basin Island Group Island
Depth Width Salinity Gear
Locality mud flats below Wismar.
Latitude-Longitude 5.995968°, -58.303749°; uncertainty: 2341 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksPolygon covers Demerara River around Wismar.
Acc. Number Specimen Remarks 1 to Dr. Fatou (5 July 1955; 77mm SL)
Collecting Event Remarks

CAS-ICH 68301 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 2/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12191 Size      
Collector; Vessel Eigenmann, Carl H.  Field Number Z68301 Date Collected  
Continent/Ocean South America Country Guyana State County
Water Body Drainage Demerara R. basin Island Group Island
Depth Width Salinity Gear
Locality Christianburg.
Latitude-Longitude 6.018034°, -58.314778°; uncertainty: 3269 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksCoordinates at Christianburg, error covers creeks and lakes around town.
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 68302 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 2/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12200 Size      
Collector; Vessel Eigenmann, Carl H.  Field Number Z68302 Date Collected  
Continent/Ocean South America Country Guyana State County
Water Body Drainage Demerara R. basin Island Group Island
Depth Width Salinity Gear
Locality Kumaka.
Latitude-Longitude 5.665429°, -58.376080°; uncertainty: 784 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksCoordinates at the Demerara River in Kumaka.
Acc. Number Specimen Remarks creek poisoned by local fishermen
Collecting Event Remarks

CAS-ICH 68303 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 5/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number IU 12198 Size      
Collector; Vessel Eigenmann, Carl H.  Field Number Z68303 Date Collected 15 Sep 1908 
Continent/Ocean South America Country Guyana State County
Water Body Drainage MAHAICA R. Island Group Island
Depth Width Salinity Gear
Locality Lama Stop-off.
Latitude-Longitude 6.531964°, -58.020916°; uncertainty: 390 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 20746 Hemiodus unimaculatus   [Catalog of Fishes]       ID by/date  Hemiodontidae
Counts (Alc/Skel/CS) 0/0/0 Prep Type - Preservative Other/Previous Number Size      
Collector; Vessel Allen, William R.  Field Number WRA VIII-20D Date Collected Aug 1920 - Aug 1920 
Continent/Ocean South America Country Peru State Ucayali County
Water Body RIO UCAYALI Drainage R. Amazonas basin Island Group Island
Depth Width Salinity Gear
Locality Contamana.
Latitude-Longitude -7.350529°, -75.021645°; uncertainty: 8200 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks 3 alizarin specs. at SU, cf. S. Weitzman.
Collecting Event Remarks CENTENNIAL EXPEDITION
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