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CAS Ichthyology Collection Database

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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

CAS-ICH 214017 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 77-47 Date Collected 18 Mar 1947 
Continent/Ocean North America Country United States State California County
Water Body San Joaquin R. Drainage Sacramento R. Basin Island Group Island
Depth Width Salinity Gear
Locality Sacramento-San Joaquin Delta.
Latitude-Longitude 38.065086°, -121.728962°; uncertainty: 14606 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number 1952-III:17 Specimen Remarks 1 transformed young.
Collecting Event Remarks

CAS-ICH 214026 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Harry, R. R. / Aug 1947 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Simpson, D. A.  Field Number DAS 27-V-1947 Date Collected 27 May 1947 
Continent/Ocean North America Country United States State California County
Water Body San Francisco Bay Drainage Island Group Island
Depth Width Salinity B Gear
Locality San Francisco Bay, P.G. & E. intake sta. B.
Latitude-Longitude 37.739201°, -122.359059°; uncertainty: 4217 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksLocated two former PG&E plants in the San Francisco Bay (Portero Power Plant/Hunter's Point)- error polygon highlights the waters around these plants.
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 214028 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 SFB 28-IV-64 Date Collected  
Continent/Ocean Pacific Ocean / NE Pacific Country United States State California County
Water Body San Francisco Bay Drainage Island Group Island
Depth Width Salinity B Gear
Locality San Francisco Bay
Latitude-Longitude 37.733461°, -122.314369°; uncertainty: 47627 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number 1964-IV:28 Specimen Remarks
Collecting Event Remarks Locality guessed; no locality label in jar. Accession folder not located on 1/26/01, so further search on locality not possible.

CAS-ICH 248415 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Lea, Robert N. / 9 Jan 2022 Petromyzontidae
Counts (Alc/Skel/CS) 2/0/0 Prep Type - Preservative alc-70% EtOH Other/Previous Number Size      
Collector; Vessel Chappell, Graham  Field Number GC 25-II-77 Date Collected 25 Feb. 1977 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality Lower Nacimiento, E.of Bee Rock Bridge
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks Remarks from R. Lea: "Information on original label NOT very precise. However, this would be a tributary to Lake Nacimiento. This is the upper part of the Salinas River system."

CAS-SU(ICH) 534 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Green, T.  Field Number Z100534 Date Collected 25 May 1892 
Continent/Ocean North America Country United States State California County
Water Body PAJARO RIVER Drainage Island Group Island
Depth Width Salinity F Gear
Locality SARGENT'S STATION
Latitude-Longitude 36.917270°, -121.547970°; uncertainty: 1008 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-SU(ICH) 4251 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Rutter; Scofield  Field Number Z104251 Date Collected  
Continent/Ocean North America Country United States State California County
Water Body PAJARO RIVER Drainage Island Group Island
Depth Width Salinity F Gear
Locality PAJARO, CAL.
Latitude-Longitude 36.906220°, -121.749330°; uncertainty: 1345 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-SU(ICH) 19031 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel   Field Number PG&E 8-X-38 Date Collected 8 Oct 1938 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality from PG & E ditch above Folsom powerhouse.
Latitude-Longitude 38.707610°, -121.156813°; uncertainty: 805 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-SU(ICH) 40139 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 10/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Peters  Field Number PET II-24 Date Collected Feb 1924 - Feb 1924 
Continent/Ocean North America Country United States State California County
Water Body Klamath R. Drainage Island Group Island
Depth Width Salinity Gear
Locality Mouth of Klamath R., Requa.
Latitude-Longitude 41.543333°, -124.072793°; uncertainty: 917 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksMarker and uncertainty circle of 917m have been created to encompass area where specimens were collected
Acc. Number Specimen Remarks Winter run of Klamath River Eels.;
Collecting Event Remarks

CAS-ICH 21510 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Hopkirk, J. D. / 1960 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Innes, K. F.; Hunters Point Shrimp Co.  Field Number KFI 26-II-52 Date Collected 26 Feb 1952 
Continent/Ocean North America Country United States State California County Alameda County
Water Body San Francisco Bay Drainage Island Group Island
Depth Width Salinity B Gear Chinese shrimp nets
Locality Off Alameda.
Latitude-Longitude 37.763109°, -122.241933°; uncertainty: 10168 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksDrew a 10,000m uncertainty radius around Alameda since no other specific information on collection location was given.
Acc. Number 1959-XII:30 Specimen Remarks
Collecting Event Remarks
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