for cell culturists
Journal of visualized experiments (JOVE) http://www.jove.com specifically in the Cellular Biology section for various techniques.
A webinar for Preventing contamination: http://www.biotechniques.com/default.asp?page=news&subsection=article_display&id=446
Fish tissue culture http://www.fws.gov/canvfhc/WFSM/CHP10.pdf a procedures manual by T. Ott (2004) from the National Fish Health Service, USA
Fish stem cells http://www.biolsci.org/v07p0392.htm
A bit on fish cell culture from the American Fisheries Society http://www.fisheries.org/units/fhs/2007_BB_folder/2007%20BB%20folder/cdr_pdfs/indexed/group1/b4_03.pdf