The lure of sharks - A Fascination for Fish: Adventures of an Underwater Pioneer - page 108

Lying on its back, the blue shark becomes still as life-sustaining oxygen
is pumped across its gills through the plastic mouthpiece. (Photo
© 1999 Sea World, Inc. All rights reserved. Reproduced by permission)
We spent the next eight days trying to get the shark to take food. It
refused everything we o¤ered. Only once, when we poured a bucket
of mackerel blood into the water directly ahead of it, did it show any
response; but it still wouldn't take the mackerel we dangled in front of
it. On the eighth day it died, and only then did I realize that what we
had caught was not a mako, but a young great white shark. I felt pretty
stupid for not recognizing it when we caught it, but in the excitement
of catching and getting the shark into the boat neither of us took the
time to study its identifying features.
On the next trip out, and on many subsequent ones, we refined the
collection and transport method to the point where we could bring
two blue sharks in at the same time if they weren't much longer than
six feet. Unlike the great white, the blue sharks readily began to feed