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CAS Ichthyology Collection Database

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CAS-ICH 17947 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Perry, M. L. / 1945 Petromyzontidae
Counts (Alc/Skel/CS) 3/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Powell; Simpson, D. A.  Field Number DAS 31 Date Collected 7 Sep 1945 : 1200
Continent/Ocean North America Country United States State California County San Joaquin County
Water Body Drainage Mokelumne R. Island Group Island
Depth Width Salinity Gear fyke net
Locality Mokelumne R., 100 yds. below dam at Woodbridge.
Latitude-Longitude 38.156441°, -121.297686°; uncertainty: 39 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type rock, sand, mud
Acc. Number 1945-1946 Specimen Remarks
Collecting Event Remarks Water clear, temp. 68 deg. F; swift current; no vegetation.

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-ICH 18053 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 59 Date Collected 25 Sep 1945 : 1000
Continent/Ocean North America Country United States State California County Trinity County
Water Body Drainage Klamath R. Island Group Island
Depth Width Salinity Gear 25' bag seine
Locality Trinity R., 1 mile east of Cedar Flat on Hwy. 299.
Latitude-Longitude 40.784721°, -123.425251°; uncertainty: 216 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type boulder, rock, sand
Acc. Number 1945-1946 Specimen Remarks sm. juv.
Collecting Event Remarks Water clear, temp. 60 deg. F; current fast; no vegetation.

CAS-ICH 19088 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Perry, M. L. / 1 May 1946 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc Other/Previous Number 137 Size      
Collector; Vessel Simpson, D. A.; Simpson, H.  Field Number DAS 137 Date Collected 11 Nov 1945 : 1100
Continent/Ocean North America Country United States State California County Santa Cruz County
Water Body Drainage San Lorenzo R. Island Group Island
Depth Width Salinity Gear 12' seine
Locality San Lorenzo R., at Bridge 36-16, Water St., Santa Cruz.
Latitude-Longitude 36.978239°, -122.024667°; uncertainty: 90 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type sand, gravel, rock
Acc. Number Specimen Remarks small young.
Collecting Event Remarks Water clear, temp. 57 deg. F; current swift; no vegetation.

CAS-ICH 19151 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Dempster, R. / 13 May 1946 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc Other/Previous Number Size      
Collector; Vessel Simpson, D. A.  Field Number DAS V-46 Date Collected May 1946 - May 1946 
Continent/Ocean Pacific Ocean / NE Pacific Country United States State California County San Francisco Co.
Water Body San Francisco Bay Drainage Island Group Island
Depth Width Salinity B Gear
Locality San Francisco, P.G. & E. Station A.
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 22272 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 J58-155 Date Collected 30 Mar 1958 : 1320-1340
Continent/Ocean North America Country United States State California County Marin County
Water Body Walker Cr. Drainage Island Group Island
Depth Width Salinity F Gear seine
Locality Tomales Bay, Sta. 3, US Hwy. 1 bridge, 2.1 miles upstream from mouth of Walker Cr.
Latitude-Longitude 38.232706°, -122.912877°; uncertainty: 90 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

CAS-ICH 2180 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 584 mm
Collector; Vessel Hibbard  Field Number H 6-VII-1928 Date Collected 6 Jul 1928 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality Mokelumne River, just below Dam, Wood Bridge
Latitude-Longitude 38.156166°, -121.297443°; uncertainty: 90 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 2181 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 610 mm
Collector; Vessel Hibbard  Field Number H 6-VII-1928 Date Collected 6 Jul 1928 
Continent/Ocean North America Country United States State California County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality Mokelumne River, just below Dam, Wood Bridge
Latitude-Longitude 38.156166°, -121.297443°; uncertainty: 90 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks Four of these; died on way.
Collecting Event Remarks

CAS-ICH 2221 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 620 mm
Collector; Vessel Hibbard  Field Number H 29-III-1929 Date Collected 29 Mar 1929 
Continent/Ocean North America Country United States State California County
Water Body San Lorenzo River Drainage Island Group Island
Depth Width Salinity Gear
Locality mouth of river.
Latitude-Longitude 36.963864°, -122.012545°; uncertainty: 318 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 2222 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 650 mm
Collector; Vessel Hibbard  Field Number H 29-III-1929 Date Collected 29 Mar 1929 
Continent/Ocean North America Country United States State California County
Water Body San Lorenzo River Drainage Island Group Island
Depth Width Salinity Gear
Locality mouth of river.
Latitude-Longitude 36.963864°, -122.012545°; uncertainty: 318 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
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 80987 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Petromyzontidae
Counts (Alc/Skel/CS) 0/0/0 Prep Type - Preservative alc; alc; alc; alc Other/Previous Number Size      
Collector; Vessel   Field Number CA 14-IV-39 Date Collected 14 Apr 1939 
Continent/Ocean North America Country United States State California County Stanislaus County
Water Body Tuolumne R. Drainage Island Group Island
Depth Width Salinity Gear
Locality 3 miles above mouth.
Latitude-Longitude 37.604111°, -121.141732°; uncertainty: 270 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-SU(ICH) 824 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 Price, G. C.  Field Number Z100824 Date Collected  
Continent/Ocean Pacific Ocean / NE Pacific Country United States State California County Monterey Co.
Water Body Drainage Island Group Island
Depth Width Salinity M Gear
Locality Pacific Grove
Latitude-Longitude 36.631815°, -121.927405°; uncertainty: 4000 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksDrew a 4,000m uncertainty radius around Pacific Grove since no other specific information on collection location was given.
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-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 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-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) 1173 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 Hyatt, E.  Field Number Z101173 Date Collected 1 Jan 1894 
Continent/Ocean North America Country United States State California County Riverside County
Water Body SANTA ANA RIVER Drainage Island Group Island
Depth Width Salinity F Gear
Locality SANTA ANA RIVER
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-SU(ICH) 8475 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 Allen, W. F.  Field Number Z108475 Date Collected  
Continent/Ocean North America Country United States State California County Marin County
Water Body San Francisco Bay Drainage Island Group Island
Depth Width Salinity B Gear
Locality San Rafael
Latitude-Longitude 37.968380°, -122.494828°; uncertainty: 2188 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks
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