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CAS Ichthyology Collection Database

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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

CAS-ICH 26155 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 Follett, W. I.; Peckham, G. M.  Field Number F55-6 Date Collected 14 Oct 1955 : 1000-1300
Continent/Ocean North America Country United States State California County Alameda County
Water Body Drainage Alameda Creek Island Group Island
Depth Width Salinity Gear hand
Locality Western Pacific Railroad bridge below Niles.
Latitude-Longitude 37°34'11"N, 121°59'13"W Bottom Type mud
Acc. Number 1955-X:31 Specimen Remarks C2.
Collecting Event Remarks

CAS-ICH 26160 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 5/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Follett, W. I.; Peckham, G. M.  Field Number F55-9 Date Collected 31 Oct 1955 
Continent/Ocean North America Country United States State California County Alameda County
Water Body Alameda Creek Drainage Island Group Island
Depth Width Salinity Gear
Locality Alameda Creek
Latitude-Longitude   Bottom Type
Acc. Number 1955-X:31 Specimen Remarks C2.
Collecting Event Remarks

CAS-ICH 26255 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 Follett, W. I.; Peckham, George M.  Field Number F57-4 Date Collected 25 Mar 1957 : 1430-1630
Continent/Ocean North America Country United States State California County Alameda County
Water Body Drainage Alameda Creek Island Group Island
Depth Width Salinity Gear bag seine, 25',0.25 inch mesh
Locality Alameda Creek, Niles, opposite California Nursery Co. Pool: 30x50x3', turbid water.
Latitude-Longitude 37.572104°, -121.982211°; uncertainty: 4404 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number 1957-XI:5 Specimen Remarks C2.
Collecting Event Remarks

CAS-ICH 208562 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Hopkirk, J. D / 1968 Petromyzontidae
Counts (Alc/Skel/CS) 5/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Pennington, S.  Field Number SP 30-V-68 Date Collected 30 May 1968 
Continent/Ocean North America Country United States State California County Butte County
Water Body Big Chico Cr. Drainage Island Group Island
Depth Width Salinity Gear
Locality Chico Park, 200 yds. above "Day Camp"
Latitude-Longitude 39.773426°, -121.756309°; uncertainty: 103 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 45474 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Conners, J. Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Conners, J.  Field Number JC 11-V-64 Date Collected 11 May 1964 
Continent/Ocean North America Country United States State California County Contra Costa County
Water Body San Francisco Bay Drainage Island Group Island
Depth Width Salinity B Gear otter trawl
Locality Honker Bay, Stake Point.
Latitude-Longitude 38.051033°, -121.949726°; uncertainty: 527 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number 1980-II:28 Specimen Remarks
Collecting Event Remarks

CAS-ICH 18220 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Perry, M. L. / 1945 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Williams; Hopper  Field Number W&H 17-V-45 Date Collected 17 May 1945 
Continent/Ocean North America Country United States State California County Fresno County
Water Body Drainage Island Group Island
Depth Width Salinity M Gear Fyke net
Locality Mendota Dam, below the dam.
Latitude-Longitude 36.788579°, -120.372936°; uncertainty: 89 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 45505 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Follett, W. I. / 1972 Petromyzontidae
Counts (Alc/Skel/CS) 4/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Follett, Wilbur I.; Follett, Evelyn B.  Field Number F71-31 Date Collected 25 Nov 1971 
Continent/Ocean North America Country United States State California County Fresno County
Water Body Kings R. Drainage Island Group Island
Depth Width Salinity Gear
Locality West channel 0.8 mi. east of Bridge 42-70-1936, (which is 1.4 mi. east of Centerville) on Hwy. 180.
Latitude-Longitude 36.731066°, -119.471520°; uncertainty: 1074 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 18001 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Perry, M. L. / 1945 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Simpson, D. A.; Simpson, H.  Field Number DAS 46 Date Collected 21 Sep 1945 : 800
Continent/Ocean North America Country United States State California County Humboldt County
Water Body Drainage Eel River Island Group Island
Depth Width Salinity Gear 25 ft. seine
Locality Eel R., 1 mile east of junction with south fork, 2 miles north of Weott near Founder's tree.
Latitude-Longitude 40.347855°, -123.915127°; uncertainty: 1270 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type rock, gravel, sand
Acc. Number 1945-1946 Specimen Remarks sm. juv.
Collecting Event Remarks Water clear, temp. 60 deg. F; current moderate; green algae.

CAS-SU(ICH) 48090 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Shapoualou, Leo Petromyzontidae
Counts (Alc/Skel/CS) 4/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Gilman, Harold  Field Number HG 05-IX-40 Date Collected 5 Sep 1940 
Continent/Ocean North America Country United States State California County Humboldt County
Water Body Eel River Drainage Island Group Island
Depth Width Salinity Gear
Locality S fork, Benbow Dam
Latitude-Longitude 40.065938°, -123.801384°; uncertainty: 74 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-SU(ICH) 48091 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Shapoualou, Leo Petromyzontidae
Counts (Alc/Skel/CS) 3/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Gilman, Harold  Field Number HG 05-IX-40 Date Collected 5 Sep 1940 
Continent/Ocean North America Country United States State California County Humboldt County
Water Body Eel River Drainage Island Group Island
Depth Width Salinity Gear
Locality S fork, Benbow Dam
Latitude-Longitude 40.065938°, -123.801384°; uncertainty: 74 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 22344 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Jones, A. C. / 1958 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Jones, A. C.  Field Number J58-190 Date Collected 28 Jun 1958 : 1150-1315
Continent/Ocean Pacific Ocean / NE Pacific Country United States State California County Marin Co.
Water Body Walker Creek Drainage Island Group Island
Depth Width Salinity B Gear seine
Locality Tomales Bay, Sta. 3, US Hwy. 1 bridge, 2.1 mi. upstream fr. mouth of Walker Creek. Marin Co., Calif.
Latitude-Longitude 38.232730°, -122.912866°; uncertainty: 90 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks
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