Institute for Biodiversity Science and Sustainability

CAS Ichthyology Collection Database


CAS-ICH 245083 Gasterosteus aculeatus williamsoni  [Catalog of Fishes]       ID by/date  Bell, Michael A. / 4 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 MAB74-60 Date Collected 4 September 1974 : 1430
Continent/Ocean North America Country United States State California County Los Angeles County
Water Body Santa Clara River Drainage Santa Clara River Island Group Island
Depth Width 18 m Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality Santa Clara River, Soledad Sand, 114.15 km from mouth
Latitude-Longitude 34.4391083°N, 118.2143167°W Bottom Type cobbles, sand, detritus
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. The larger pool studied intensively last summer by Baskin et al. That runs behind a road ease. Fairly unchanged except that it is generally shallow and vegetation had encroached upon upper end of pool and along left side. Many males [Gasterosteus aculeatus] with high nuptial coloration. Also caught Gila orcutti and Catostomus sp.