Institute for Biodiversity Science and Sustainability

CAS Ichthyology Collection Database


CAS-ICH 245256 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 16 Aug 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 MAB77-74 Date Collected 16 August 1977 : 1530
Continent/Ocean North America Country United States State California County San Luis Obispo County
Water Body San Carpoforo Creek Drainage San Carpoforo Creek Island Group Island
Depth Width 2 m Salinity 0 Gear 10 ft, 1/8 inch mesh seine
Locality San Carpoforo Creek
Latitude-Longitude 35.7715611°N, 121.2791806°W Bottom Type mud, some cobbles
Acc. Number 2018-X:19 Specimen Remarks m, f, juveniles. Fixed in 10% buffered (dolomite) formalin ~1 month.
Collecting Event Remarks Water temp. = 19.5 C. Fishes were collected from series of very heterogenous pools: broad, shallow ,mud-dashed bottom. Small (3 m) or large, deep pools with large boulders or cliff faces surrounding them. Many small sticklebacks and several Cottus thrown back. Trout only with cysts in skin. Possible predators: trout, Cottus, belostomatids, kingfishers. Also caught Cottus asper and Oncorhynchus mykiss.