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CAS-ICH 31189 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Hubbs, C. L. / 27 Oct 1963 Petromyzontidae
Counts (Alc/Skel/CS) 9/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Day, John S.  Field Number JSD IV-61 Date Collected 1 Apr 1961 - 30 Apr 1962 
Continent/Ocean North America Country United States State California County Mendocino County
Water Body Drainage Island Group Island
Depth Width Salinity Gear
Locality Potter Valley Power House tailrace at head of E. Branch Russian R.; source of water is Eel R.
Latitude-Longitude 39.361345°, -123.128455°; uncertainty: 254 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number 1962-XII:12 Specimen Remarks
Collecting Event Remarks Calif. Dept. of Fish & Game.

CAS-ICH 11031 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Halstead, B. W. / 1943 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Halstead, Bruce W.  Field Number BH 26-XII-1943 Date Collected 26 Dec 1943 
Continent/Ocean North America Country United States State California County
Water Body Santa Margaritas Cr. Drainage Island Group Island
Depth Width Salinity Gear
Locality near Atascadero
Latitude-Longitude 35.417354°, -120.604794°; uncertainty: 3105 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

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 22213 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 J58-95 Date Collected 18 Jan 1958 : 1545
Continent/Ocean North America Country United States State California County Marin County
Water Body Walker Creek Drainage Island Group Island
Depth Width Salinity F Gear seine
Locality Tomales Bay, Walker Cr., Sta. 3, US Hwy. 1 bridge 2.1 mi. upstr. fr. mouth of Walker Creek. Marin Co., Calif.
Latitude-Longitude 38.232768°, -122.912818°; uncertainty: 90 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 23530 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Hopkirk, J. D. / 1964 Petromyzontidae
Counts (Alc/Skel/CS) 7/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Hopkirk, J. D.; Kuris, A. M.  Field Number H64-3 Date Collected 26 Mar 1964 : 1000-1145
Continent/Ocean Pacific Ocean / NE Pacific Country United States State California County Sonoma Co.
Water Body Dry Creek Drainage Island Group Island
Depth Width Salinity F Gear 10' minnow seine
Locality 3 miles east of Skaggs Springs, above stream from Dry Creek Road Bridge.
Latitude-Longitude 38.700242°, -122.961363°; uncertainty: 1203 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type silt, gravel, mud, detritus; mostly fine gravel
Acc. Number 1964-VI:13 Specimen Remarks
Collecting Event Remarks

CAS-ICH 23537 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Hopkirk, J. D. / 1964 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel Hopkirk, J. D.; Kuris, A. M.  Field Number H64-4 Date Collected 26 Mar 1964 
Continent/Ocean North America Country United States State California County Sonoma County
Water Body Warm Springs Cr. Drainage Island Group Island
Depth Width Salinity Gear
Locality Warm Springs Cr.
Latitude-Longitude   Bottom Type
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 23058 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Hopkirk, J. D. / 1963 Petromyzontidae
Counts (Alc/Skel/CS) 1/0/0 Prep Type - Preservative alc-75% EtOH Other/Previous Number Size      
Collector; Vessel 'Fishermen.'  Field Number 10-VI-49CONN Date Collected 10 Jun 1949 
Continent/Ocean North America Country United States State California County Napa County
Water Body Conn Reservoir Drainage Island Group Island
Depth Width Salinity Gear
Locality Conn Res., Napa Co., Calif.
Latitude-Longitude 38.492802°, -122.373756°; uncertainty: 2331 m (Source: FishNet Collaborative Georeferencing Project) Bottom Type
Georef. RemarksAssumed "Conn Reservoir" in the locality description to be Lake Hennessey since it is formed by the Conn Dam.
Acc. Number Specimen Remarks
Collecting Event Remarks

CAS-ICH 12515 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 U.S. Fish Commission; Albatross Field Number ALBA H5311 Date Collected 21 Jan 1913 : 1455-1505
Continent/Ocean North America Country United States State California County
Water Body San Francisco Bay Drainage Island Group Island
Depth Width Salinity B Gear tow net, plankton nets
Locality Shag Rk., N. 31 deg. W., San Bruno Lt., W., No. 2 Beacon, S. 30.5 deg. E.
Latitude-Longitude   Bottom Type mud
Acc. Number Specimen Remarks From UC Zool. Dept. at Berkeley.
Collecting Event Remarks Hydrographic sta. 5311

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 18795 Entosphenus tridentatus   [Catalog of Fishes]       ID by/date  Dempster, R. / 1945 Petromyzontidae
Counts (Alc/Skel/CS) 0/0/0 Prep Type - Preservative Other/Previous Number Size      
Collector; Vessel Simpson, D. A.  Field Number DAS 5-VI-45 Date Collected 5 Jun 1945 
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 Bay, PG&E Station A, San Francisco Bay, Calif.
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 3 to UCLA 30-VII-49.
Collecting Event Remarks

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 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 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 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 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
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