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CAS Ichthyology Collection Database

Filter: Genus=Entosphenus;Species=Tridentatus;
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CAS-ICH 208543 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel   Field Number 19-II-1947 Date Collected 19 Feb 1947 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality Sacramento River, Iselton
Latitude-Longitude 38.163481°, -121.609553°; uncertainty: 1287 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks 1 Transformed young
Collecting Event Remarks 1 Transformed young

CAS-ICH 208544 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 3/0/0 Prep Type - Preservative alc-isopropanol Other/Previous Number Size      
Collector; Vessel   Field Number Z208544 Date Collected 24 Dec 1948 - 31 Dec 1948 
Continent/Ocean North America Country United States State California County
Water Body Drainage Sacramento River Island Group Island
Depth Width Salinity Gear
Locality Iselton
Latitude-Longitude 38.163710°, -121.608961°; uncertainty: 1597 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks 3 Transformed Young
Collecting Event Remarks

CAS-ICH 208545 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel   Field Number SJ 18-XII-1946 Date Collected 18 Dec 1946 
Continent/Ocean North America Country United States State California County
Water Body Drainage Sacramento River Island Group Island
Depth Width Salinity Gear
Locality Sacramento River
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks 1 Transformed Young
Collecting Event Remarks

CAS-ICH 208546 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-isopropanol Other/Previous Number Size      
Collector; Vessel   Field Number WS 4-XI-1946 Date Collected 4 Nov 1946 
Continent/Ocean North America Country United States State California County
Water Body Drainage Sacramento River Island Group Island
Depth Width Salinity Gear
Locality Sacramento River
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks 1 Transformed Young
Collecting Event Remarks

CAS-ICH 208548 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208548 Date Collected 5 May 1948 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality Middle River near Mossdale
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks 1 Transformed young
Collecting Event Remarks

CAS-ICH 208550 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 4/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel Chadwick  Field Number C 2-II-1957 Date Collected 2 Mar 1957 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality Tracy Louver Structure
Latitude-Longitude 37.816431°, -121.556693°; uncertainty: 507 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksPlaced marker at the louvers at Tracy Fish Collection Facility.
Acc. Number Specimen Remarks Collected from storage tanks
Collecting Event Remarks

CAS-ICH 208551 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208551 Date Collected 25 Mar 1947 
Continent/Ocean North America Country United States State California County
Water Body Drainage San Joaquine River Island Group Island
Depth Width Salinity Gear
Locality San Joaquine River
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks 1 Transformed young
Collecting Event Remarks

CAS-ICH 208552 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Hubbs / 1963 Petromyzontidae
Counts (Alc/Skel/CS) 2/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel Pintler, H. E; Johnson, W. C  Field Number EP 18-X-1954 Date Collected 18 Oct 1954 
Continent/Ocean North America Country United States State California County
Water Body Drainage Mark West Creek Island Group Island
Depth Width Salinity Gear
Locality Slesser Rd. Bridge
Latitude-Longitude 38.485478°, -122.825621°; uncertainty: 90 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks 2 macropthalmia stage 110-115mm TL
Collecting Event Remarks

CAS-ICH 208555 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 11/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208555 Date Collected 4 Jan 1949 
Continent/Ocean North America Country United States State California County
Water Body Drainage Sacramento River Island Group Island
Depth Width Salinity Gear
Locality Isleton
Latitude-Longitude 38.163710°, -121.608961°; uncertainty: 1597 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks 11 Transformed young
Collecting Event Remarks

CAS-ICH 208556 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 5/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208556 Date Collected 25 Feb 1949 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality Isleton Bridge
Latitude-Longitude 38.171740°, -121.593560°; uncertainty: 382 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks 5 Transformed young
Collecting Event Remarks

CAS-ICH 208557 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 2/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208557 Date Collected 3 Jul 1946 
Continent/Ocean Pacific Ocean / NE Pacific Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality California
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks Transformed young
Collecting Event Remarks

CAS-ICH 208560 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208560 Date Collected 26 Mar 1947 
Continent/Ocean North America Country United States State California County
Water Body Drainage San Joaquin River Island Group Island
Depth Width Salinity Gear
Locality San Joaquin River
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks Tranformed young
Collecting Event Remarks

CAS-ICH 208561 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 11/0/0 Prep Type - Preservative alc-EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208561 Date Collected 18 Feb 1947 
Continent/Ocean North America Country United States State California County
Water Body Drainage Old River, Island Group Island
Depth Width Salinity Gear
Locality From San Joaquin River Fish & Wildlife map
Latitude-Longitude 38.071364°, -121.576020°; uncertainty: 500 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksSince no direction and/or distance was provided. Marker and uncertainty circle of 500m have been created to encompass area where specimen was collected.
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 208564 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208564 Date Collected 7 May 1948 
Continent/Ocean North America Country United States State California County
Water Body Drainage Sacramento River Island Group Island
Depth Width Salinity Gear
Locality Tolands landing
Latitude-Longitude 38.083618°, -121.748693°; uncertainty: 1597 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 208567 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 4/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel   Field Number WF 26-IV-64 Date Collected 26 Apr 1964 
Continent/Ocean North America Country United States State California County
Water Body Drainage Papermill Creek Island Group Island
Depth Width Salinity Gear
Locality Papermill Creek
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks Young
Collecting Event Remarks

CAS-ICH 208568 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Hubbs, C. / 1963 Petromyzontidae
Counts (Alc/Skel/CS) 6/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel   Field Number Z208568 Date Collected  
Continent/Ocean Pacific Ocean / NE Pacific Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality California
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks 4 small ammocetes, 2 macropthalmia stage TL 100-114mm
Collecting Event Remarks

CAS-ICH 208569 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 7/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel US Fish & Game  Field Number US 20-II-47 Date Collected 20 Feb 1947 
Continent/Ocean North America Country United States State California County
Water Body Drainage San Joaquin River Island Group Island
Depth Width Salinity Gear
Locality 1/4 mi. downstream from Antoich Bridge
Latitude-Longitude 38.024602°, -121.755213°; uncertainty: 557 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksSince no direction and/or distance was provided. Marker and uncertainty circle of 557m have been created to encompass area where specimen was collected.
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 214007 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 8 Apr 1957 Petromyzontidae
Counts (Alc/Skel/CS) 6/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel   Field Number SR 14-I-49 Date Collected 14 Jan 1949 - 15 Feb 1949 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear Fyke net.
Locality Sacramento River Isleton Bridge.
Latitude-Longitude 38.171740°, -121.593560°; uncertainty: 382 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks 9 transformed youngs.
Collecting Event Remarks

CAS-ICH 214015 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 8 Apr 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel   Field Number 26-II-47 Date Collected 26 Feb 1947 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear Wade.
Locality San Joaquin. 58-47.
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks 1 transformed young.
Collecting Event Remarks

CAS-ICH 214016 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 8 Apr 1957 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel U.S. Fish & Wildlife Service  Field Number 91-46 Date Collected 13 Dec 1946 
Continent/Ocean North America Country United States State California County
Water Body Drainage SACRAMENTO Island Group Island
Depth Width Salinity Gear
Locality Sacramento-San Joaquin Delta: 'Sac 2'
Latitude-Longitude 38.083464°, -121.746815°; uncertainty: 13691 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number 1952-III:17 Specimen Remarks 1 transformed young.
Collecting Event Remarks
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