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common scenario is doing three to four     mersible cages drop down to about 40ft. You     Groth of Shark Diving International start-
                                                 enter on the surface, and the cage submerg-     ed submersing cages to depths at which
A 45-minute dives per day. Even though           es with you in the cage. Some divers feel like  the sharks lurk — about 50 feet — so he
                                                 the sharks are more interested and curious      wouldn’t have to rely on “chumming” them
you only see great white sharks, these trips     about the submersible cages, when both          to the surface with ground-up fish and blood
are never boring. Almost all of the time white   types of cages are in the water. Make sure      (now illegal but still practiced by some).
sharks will be going by. Generally you will      you check to see what your operator offers.     Groth also built a submersible “cinema cage”
see 1-3 sharks at any one time, and a total of                                                   that has no sides, affording film crews un-
4-8 individuals over the course of a 3 or 4 day  C age diving is relatively new to Guada-        obstructed views but providing sharks
trip. There are surface cages and submers-             lupe Island but its evolution beyond      with direct access to human flesh, if that’s
ible cages. Some operators only use surface      the traditional stern-attached surface cag-     what they desire. Fortunately, they do not.
cages. A surface cage is tied off to the boat,   es, which still exist, has been swift. The
and floats on the surface. The cage is entered   so-called arms race began when Lawrence
from the swimstep of the boat. You are on
a hookah, with a max depth of 5-10ft. Sub-
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