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CAS-ICH 245161 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 28 Nov 1975 Gasterosteidae
Counts (Alc/Skel/CS) 190/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Haglund, Thomas R.  Field Number MAB75-61 Date Collected 28 November 1975 : 1110
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Luis Obispo Creek Drainage San Luis Obispo Creek Island Group Island
Depth Width 4 m Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality San Luis Obispo Creek, 10.05 km from mouth
Latitude-Longitude 35.2316944°N, 120.6893694°W Bottom Type sand
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 15 C. Gambusia only from emergent broadleafs. Most sticklebacks taken from around base of fallen tree in water. Numerous crayfish. Also caught Notamigonus chysoleucas, Gambusia affinis, Cottus sp., Lapomis cyanellus, Lapomus s., Pomoxis sp., and Rhinichthys osculus.
CAS-ICH 245162 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 28 Nov 1975 Gasterosteidae
Counts (Alc/Skel/CS) 100/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Haglund, Thomas R.  Field Number MAB75-62 Date Collected 28 November 1975 : 1200
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body unknown Drainage San Luis Obispo Creek Island Group Island
Depth Width 5 m Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality tributary to San Luis Obispo Creek within 100 m of confluence. Tributary called Prefumo Creek, 12 km from mouth of San Luis Obispo Creek
Latitude-Longitude 35.2447083°N, 120.6816278°W Bottom Type mud, sand, gravel
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 12.5 C. This is a tributary we did not see on map. Picked up a Clemmys turtle, crayfish and saw one aquatic mammal (muskrat or otter?). Many small sticklebacks and some large from last haul thrown back. Fish were almost entirely in deep pools with undercut banks and protruding sticks and roots. Also caught Rhinichthys osculus and Oncorhynchus mykiss.
CAS-ICH 245163 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 28 Nov 1975 Gasterosteidae
Counts (Alc/Skel/CS) 200/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Haglund, Thomas R.  Field Number MAB75-63 Date Collected 28 November 1975 : 1330
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Luis Obispo Creek Drainage San Luis Obispo Creek Island Group Island
Depth Width 4 m Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality San Luis Obispo Creek at South Street, 15.7 km from mouth
Latitude-Longitude 35.2698194°N, 120.6723028°W Bottom Type mostly gravel
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 11.7 C. This is a fairly shallow flat bottomed pool at the bottom of a riffle. We are now on outskirts of town. Water striders present. Many sticklebacks thrown back. Male with high nuptial coloration collected. Also caught Rhinichthys osculus and Oncorhynchus mykiss.
CAS-ICH 245164 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 28 Nov 1975 Gasterosteidae
Counts (Alc/Skel/CS) 200/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Haglund, Thomas R.  Field Number MAB75-64 Date Collected 28 November 1975 : 1415
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Luis Obispo Creek Drainage San Luis Obispo Creek Island Group Island
Depth Width 9 m Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality San Luis Obispo Creek at mission, 17.1 km from mouth
Latitude-Longitude 35.2793167°N, 120.6647806°W Bottom Type cobbles, detritus
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 14.4 C. This station was made under a bridge in the town of San Luis Obispo. There is an artificial waterfall formed by wall upstream and walls on both sides. Also caught Rhinichthys osculus and Oncorhynchus mykiss.
CAS-ICH 245165 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 29 Nov 1975 Gasterosteidae
Counts (Alc/Skel/CS) 200/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Haglund, Thomas R.  Field Number MAB75-66 Date Collected 29 November 1975 : 1100
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body Stenner Creek Drainage San Luis Obispo Creek Island Group Island
Depth Width 5 m Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality Stenner Creek, 0.9 km from juncture with San Luis Obispo Creek
Latitude-Longitude 35.283975°N, 120.6680111°W Bottom Type some cobbles, mostly mud, and sand
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 10.5 C. The fishes were seined in three pools connected by 2 very short (3 m) riffles. They were of failry uniform width and stretched along about 100 m of stream. We threw back many small sticklebacks and many Rhinichthys. Also caught Rhinichthys osculus and Oncorhynchus mykiss.
CAS-ICH 245166 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 29 Nov 1975 Gasterosteidae
Counts (Alc/Skel/CS) 150/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Haglund, Thomas R.  Field Number MAB75-68 Date Collected 29 November 1975 : 1415
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Luis Obispo Creek Drainage San Luis Obispo Creek Island Group Island
Depth Width Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality San Luis Obispo Creek under Hwy 101, 4.5 km from mouth
Latitude-Longitude 35.1853583°N, 120.7013694°W Bottom Type angular cobbles
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. =12.0 C. All fishes collected under freeway bridge in reeds. We reached under recumbent reeds as far as possible, kicked them and lifted net. Only one specimen of Cottus and Rhinichthys were found. Cottus sp. And Rhinichthys osculus.
CAS-ICH 245167 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 28 Nov 1975 Gasterosteidae
Counts (Alc/Skel/CS) 25/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Haglund, Thomas R.  Field Number MAB75-69 Date Collected 28 November 1975 : 1530
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Luis Obispo Creek Drainage San Luis Obispo Creek Island Group Island
Depth Width 40 m Salinity 12 Gear 10 ft, 1/8 inch mesh seine
Locality San Luis Obispo Creek, 0.3 to 2.0 km from mouth
Latitude-Longitude 35.1812778°N - 35.1879556° N, 120.7372333°W - 120.7372333° W; 35.1879556° N, 120.7372333° W Bottom Type mud, detritus
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 12.4 C. We began to look for a station last night and collected a few fish near weir. They were rare there so we moved toward mouth and seined among banks of pickleweed where we got 1-3 sticklebacks in most hauls. But they were mostly less than 28 mm and rare. Salinity determined with Refractometer, han (American Optical Corp, Temp compensated) to be 12 0/00. Also caught 15 Leptocottus armatus, 15 gobies, and one Platichthys stellatus.
CAS-ICH 245170 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 30 Nov 1975 Gasterosteidae
Counts (Alc/Skel/CS) 100/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Haglund, Thomas R.  Field Number MAB75-71 Date Collected 30 November 1975 : 1330
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Luis Obispo Creek Drainage San Luis Obispo Creek Island Group Island
Depth Width 40 m Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality San Luis Obispo Creek against upstream side of weir, 2.1 km from mouth
Latitude-Longitude 35.1877694°N, 120.7257167°W Bottom Type mud
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 12.5 C. This station made by flushing fish out of weeds (broadleaf) growing against upstream side of weir with salmon ladder in middle. We saw a bullhead head just downstream. Large sticklebacks were rare with moderate number of small ones. Also caught 20 Gambusia affinis, 3 Carassius auratus, 3 Rhinichthys osculus, and 10 unidentified cyprinids.
CAS-ICH 245198 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 22 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-11 Date Collected 22 June 1977 : 1145
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Simeon Creek Drainage San Simeon Creek Island Group Island
Depth Width 3.4 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality San Simeon Creek
Latitude-Longitude 35.6158889°N, 121.0691556°W Bottom Type sycamore leaves, cobbles
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 15 C. Salmo gairdneri-only stomachs were collected. Sticklebacks were collected in a pool. There where many small fry and many of these were thrown back. Some Cottus thown back. Large trout had developing ovaries. This pool was thoroughly seined but 4 additional sticklebacks were taken upstream. This pool is a pothole formed downstream of steep riffles. Downstream the stream is dry for 2-3 miles. In the stomach of the trout were found sow bugs, horsehair worms and boatmen and snails. Also caught Oncorhynchus mykiss and Cottus sp.
CAS-ICH 245199 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 22 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 100/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-12 Date Collected 22 June 1977 : 1500
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body Arroyo de la Cruz Creek Drainage Arroy de la Cruz Creek Island Group Island
Depth Width 20 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality Arroyo de la Cruz Creek
Latitude-Longitude 35.7084917°N, 121.3050722°W Bottom Type sand, gravel
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 20 C. Caprellid shrimp present in lower section. Tadpoles found further upstream. No males with nuptial coloration nor gravid females. Many sticklebacks thrown back. Some cottids thrown back. Clemmys seen in upper section. Rana aurora seen in upper section. Lower part of sample area open to lagoon, upper part connected by narrow channel only. Small garter snakes seen in this area on 6-21-77. Downstream segment possibly more saline? Also caught Cottus sp.
CAS-ICH 245200 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 22 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-13 Date Collected 22 June 1977 : 1600
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body Oak Knoll Creek Drainage Oak Knoll Creek Island Group Island
Depth Width 2 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality Oak Knoll Creek on Hwy 11, says Arroyo Laguna
Latitude-Longitude 35.6555083°N, 121.2190722°W Bottom Type mud
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 16 C. Tadpoles seen. Ranatra present. About 25 Cottus thrown back. Remnant pool isolated from lagoon at mouth. Cottus had captured a stickleback in the seine. Lagoon behind beach (about 150 m downstream) was choked to the surface with aquatic grass. Contains same 3 fish species as above, with Eucyclogobius predominating. Also caught Eucyclogobius newberryi and Cottus sp.
CAS-ICH 245201 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 23 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 51/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-14 Date Collected 23 June 1977 : 1700
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Simeon Creek Drainage San Simeon Creek Island Group Island
Depth Width 1-2 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality San Simeon Creek
Latitude-Longitude 35.6096083°N, 121.07735°W Bottom Type gravel, dead leaves
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 28 C. Remnant pool in pothole.
CAS-ICH 245202 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 23 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 75/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-15 Date Collected 23 June 1977 : 1300
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Simeon Creek Drainage San Simeon Creek Island Group Island
Depth Width 4 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality San Simeon Creek, just below juncture of N and S forks above waterfall.
Latitude-Longitude 35.6254194°N, 121.0542639°W Bottom Type cobble, gravel, sand, decaying algae
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = C. Series of 3 pools. Pool B's surface is at least 2 m below surface of pool A which are approximately same elevation. Half the distance down from A to B is over a rock surface at 45° angle. The remaining half of the distance is 50% vertical rock face, 50% free fall. 1 adult Rana aurora seined in pool A, released. A 15 cm trout was in pool B but could not be seined. On the way to this station from 100 m upstream a Thamnophis sirtalis seen. Small sticklebacks thrown back. Also caught Oncorhynchus mykiss.
CAS-ICH 245203 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 23 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-16 Date Collected 23 June 1977 : 1630
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Simeon Creek Drainage San Simeon Creek Island Group Island
Depth Width 1-7 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality San Simeon Creek
Latitude-Longitude 35.6233972°N, 121.0553972°W Bottom Type sand, cobbles, rarely dead leaves
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 20-22 C. Small sticklebacks and some Cottus thrown back. These fish were collected in a series of adjacent pools. Male sticklebacks collected with nuptial coloration. Garter snake captured. It contained an unidentifiable fish. Between here and MAB77-15 are a series of large (2-4 m) waterfalls followed by numerous small falls (<1 m) all within a horizontal distance of about 100 m. Also caught Oncorhynchus mykiss and Cottus sp.
CAS-ICH 245204 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 23 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-17 Date Collected 23 June 1977 : 1830
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Simeon Creek Drainage San Simeon Creek Island Group Island
Depth Width 10 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality San Simeon Creek
Latitude-Longitude 35.6198806°N, 121.0634583°W Bottom Type boulders, mud
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 20.5 C. Fish came from series of pools from about 15 m long to 1 m in diameter. Depth ranged from 1 m to 20 cm. Some small sticklebacks thrown back. Sticklebacks were not abundant. Rana aurora (large adult) photographed. Also Cottus sp.
CAS-ICH 245205 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 25 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-19 Date Collected 25 June 1977 : 1230
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body Los Osos Creek Drainage Los Osos Creek Island Group Island
Depth Width 2.5 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality Los Osos Creek
Latitude-Longitude 35.3307028°N, 120.8168361°W Bottom Type mud-thick and black
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 21.5 C. Sticklebacks very abundant - many small ones returned. Males in nuptial coloration. Gravid females collected. This station is at head of salt marsh but appears to be fresh water. Santa Cruz garter snake found along tributary within 100 m. Also caught Cottus sp.
CAS-ICH 245207 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 25 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-21 Date Collected 25 June 1977 : 1600
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body Los Osos Creek Drainage Los Osos Creek Island Group Island
Depth Width 1-2 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality Los Osos Creek
Latitude-Longitude 35.2914167°N, 120.8070556°W Bottom Type sand, gravel
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 19 C. Sticklebacks collected in a series of pools over 100 m of stream. Pools were all less than 5 m long. Local man said that the stream ran dry within 1/2 mi upstream. Also he said that he had seen a larger fish which he called "shark-like or a sucker".
CAS-ICH 245208 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 25 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-22 Date Collected 25 June 1977 : 1930
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body Los Osos Creek Drainage Los Osos Creek Island Group Island
Depth Width 2.5 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality Los Osos Creek
Latitude-Longitude 35.2974778°N, 120.8254389°W Bottom Type mud
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 21 C. Males in reproductive condition. Many tadpoles. Many small fish thrown back. 2 pools 8 m loong and another pool 3 m long.
CAS-ICH 245209 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 26 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-23 Date Collected 26 June 1977 : 1630
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body Pico Creek Drainage Pico Creek Island Group Island
Depth Width 8 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality Pico Creek mouth
Latitude-Longitude 35.6181861°N, 121.1466222°W Bottom Type dead leaves, detritus on top of gravel
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 22.5 C. A non-melanistic Eucyclogobius what appeared to be transparent was collected. A Santa Cruz garter snake was seen in a pool just upstream which contained no fish. The vast majority of sticklebacks were taken in a side channel where the temp was somewhat elevated. Tadpoles were present. Some fish returned- sticklebacks and gobies. Also caught Eucyclogobius newberryi.
CAS-ICH 245210 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 27 Jun 1977 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol Other/Previous Number Size      
Collector; Vessel Bell, Michael A.; Bell, Bonnie M.  Field Number MAB77-24 Date Collected 27 June 1977 : 1220
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Simeon Creek Drainage San Simeon Creek Island Group Island
Depth Width 4 m Salinity Gear 10 ft, 1/8 inch mesh seine
Locality San Simeon Creek, north fork
Latitude-Longitude 35.6405722°N, 121.0494417°W Bottom Type boulders, gravel, dead leaves
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 17 C. Many males in nuptial coloration, 25-50% of large fish. A trout about 7 cm was observed eating a stickleback which was about 1/3 its size. We observed it for about 2 minutes during which it held the stickleback in its mouth head in, up to about the pelvic spines. It swam about slowly repositioning it, spat it out 3 times, and the recaptured it. When stickleback was spat out, it swam away, weakly about 10 cm from the trout which easily recaptured it. Garter snake from downstream most area was a Santa Cruz garter snake. Also numerous red legged frogs. Most sticklebacks caught in downstream area. Numerous Taricha seen. A man whose family owns this land came along and told us that he expected this part of the creek to go dry at the end of the summer, although his father had never seen it go dry in 65 years. His grandfather had seen it go dry in the 1880s. He also mentioned that Cal. Fish and Game had planted trout in the 1950s. We checked the creek about 1 mile upstream and sticklebacks were absent. Also caught Oncorhynchus mykiss.
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