| CAS-ICH 245091 | Gasterosteus aculeatus williamsoni [Catalog of Fishes] | ID by/date | Bell, Michael A. / 10 Sep 1974 | Gasterosteidae | |||
| Counts (Alc/Skel/CS) | 200/0/0 | Prep Type - Preservative | alc-50% isopropanol | Other/Previous Number | Size | ||
| Collector; Vessel | Bell, Michael A.; Bell, Bonnie M. | Field Number | MAB74-68 | Date Collected | 10 September 1974 : 1100 | ||
| Continent/Ocean | North America | Country | United States | State | California | County | Los Angeles County |
| Water Body | San Francisquito Creek | Drainage | Santa Clara River | Island Group | Island | ||
| Depth | Width | 5 m | Salinity | 0 | Gear | 10 ft, 1/8 inch mesh seine | |
| Locality | San Francisquito Creek, 13.9 km from confluence with Santa Clara River | ||||||
| Latitude-Longitude | Bottom Type | cobbles, sand | |||||
| Acc. Number | 2018-X:19 | Specimen Remarks | m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month. | ||||
| Collecting Event Remarks | Water Temp. = 24 C. Some males with nuptial coloration seen. Many sticklebacks seen swimming in current. Gila orcutti relatively rare - sticklebacks abundant. Stream sinks into sand within 100 m downstream of bridge. Most of the habitat consists of shallow pools formed by small dams. Garter snake caught. Local water and power man said that sticklebacks have been here since the 30s. Gila orcutti fry abundant in shallows. Dead sticklebacks noted. Also caught Gila orcutti. | ||||||