Exhibit 23.1



The Board of Directors
Cyanotech Corporation

     We consent to incorporation by reference in the registration statement Nos.
(33-63789 and 33-55310) on Form S-8 of Cyanotech Corporation of our report dated
April 28,  1997,  relating  to the  consolidated  balance  sheets  of  Cyanotech
corporation  and  subsidiary  as of March  31,  1997 and 1996,  and the  related
consolidated statements of income,  stockholders' equity and cash flows for each
of the years in the three-year period ended March 31, 1997, which report appears
in the March 31, 1997 annual report on Form 10-K of Cyanotech Corporation.


KPMG Peat Marwick LLP

Honolulu, Hawaii
June 27, 1997