Institute for Biodiversity Science and Sustainability

CAS Ichthyology Collection Database


CAS-ICH 245316 Gasterosteus aculeatus   [Catalog of Fishes]       ID by/date  Bell, Michael A. / 15 Aug 1989 Gasterosteidae
Counts (Alc/Skel/CS) 50/0/0 Prep Type - Preservative alc-50% isopropanol, 70% EtOH Other/Previous Number Size      
Collector; Vessel Bell, Michael A.  Field Number MAB89-17 Date Collected 14-15 August 1989 : 930
Continent/Ocean North America Country United States State Alaska County Matanuska-Susitna Borough
Water Body Matanuska Lake Drainage Palmer Slough Island Group Island
Depth Width Salinity 0 Gear 12 1/8" mesh Gee minnow traps
Locality Matanuska Lake
Latitude-Longitude 61.5532°N, 149.22777°W Bottom Type mud, logs
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. All 12 traps were set among recumbent branches in a clump of willow and alder with adjacent offshore water lilies. Trout (O. mykiss) in schools of about 50-100 fish periodically cruised through. Stickleback were seen inshore and immediately congregated around set traps. A sample of fish fixed in ethanol for otolith ageing, most in formalin. Three year classes apparent. One male had blue eyes and dorsal surface, a little red on throat.