35 fathoms is a 192 ft minimum. When they wander up onto dive sites it is a clear indication that they don't stay where they are put.

CALIFORNIA CONSTITUTION
ARTICLE 10B MARINE RESOURCES PROTECTION ACT OF 1990

SEC. 2. (a) "District" means a fish and game district as defined in
the Fish and Game Code by statute on January 1, 1990.
(b) Except as specifically provided in this article, all
references to Fish and Game Code sections, articles, chapters, parts,
and divisions are defined as those statutes in effect on January 1,
1990.
(c) "Ocean waters" means the waters of the Pacific Ocean regulated
by the State.
(d) "Zone" means the Marine Resources Protection zone established
pursuant to this article. The zone consists of the following:
(1) In waters less than 70 fathoms or within one mile, whichever
is less, around the Channel Islands consisting of the Islands of San
Miguel, Santa Rosa, Santa Cruz, Anacapa, San Nicolaus, Santa Barbara,
Santa Catalina, and San Clemente.
(2) The area within three nautical miles offshore of the mainland
coast, and the area within three nautical miles off any manmade
breakwater, between a line extending due west from Point Arguello and
a line extending due west from the Mexican border.
(3) In waters less than 35 fathoms between a line running 180
degrees true from Point Fermin and a line running 270 degrees true
from the south jetty of Newport Harbor.