From 1944 to 1969, Hubbs taught biology at the Scripps Institution of Oceanography at the University of California San Diego in La Jolla where he replaced Francis Bertody Sumner.
Från 1944 till 1969 undervisade Hubbs biologi vid Scripps Institution of Oceanography vid University of California, San Diego i La Jolla, där han ersatt Francis Bertody Sumner.