I received my first hate mail from someone chastising me for chumming and using bait at the Farallon Islands.  Well, I personally don’t chum at all, and no one chums at the Farallon Islands due to regulations that exist in this marine sanctuary.  Any footage of mine which shows chumming or bait was taken while on board any number of ecotourism boats in South Africa.  However, this did remind me to blog about what seems to be the new hot topic for city dwelling ‘shark experts’; the evil of chumming and cage diving.

The two main arguments against cage-diving and chumming make sense at first glance.  One argument is founded on the well-being of the shark, the other is founded on the well-being of humans.  Let’s start with the fist reason.

Chumming, the act of adding a very smelly blend of blood, fish oil, and other yummy things, is used to attract sharks to boats in regions of the world where this is still allowed.  In addition, chunks of bait are also used to attract the sharks.  This is frowned upon with the concern that the shark’s natural hunting and feeding behavior will be affected in a negative manner.

The second argument is based on the idea that putting people in cages around sharks, particularly in combination with chum, is teaching the sharks to associate humans with food.  This in turn will cause sharks to begin hunting humans as a food source.  This is a more heated topic in South Africa where cage diving with white sharks has exploded is a huge industry.

Here are the reasons for chumming and cage diving:

 It protects the shark.  Although the white shark is on South Africa’s protected species list, that doesn’t stop poachers, sports fisherman, and trophy hunters from taking their toll on the species.  It’s a matter of regulation, or lack-there-of.  The sharks also face the threat of fleets of long lining fishing boats off-shore and beach nets near shore.  It’s almost as though the safest place for these sharks is near the popular cage diving destinations where the area has more sets of eyes and more people that prefer the shark alive to dead.  It’s sad that it comes down to money, but as long as the shark is providing a source of income there is an increased chance of people fighting for its survival.

It promotes the shark.  Every tourist I’ve ever watched experience a great white for the first time is simply awed by their beauty, grace, power and surprisingly docile nature.  The ecotourism boats are required to educate the tourists about the sharks, so people leave not only as shark advocates, but also with a better understanding of the animal’s behavior and its struggle for survival.

No food association.  Each of the cage diving locations in the world share a few things in common:  They are occur next to islands several miles off shore, filled with thousands of seals.  The sharks are there to feed on the seals.  This means that the boats full of people are traveling to a remote location where the sharks have already congregated. The sharks are not being lured to beaches full of unsuspecting swimmers and surfers.  Rather, we are entering their hunting ground where the waters are already saturated with ‘natural chum’, the body odor, blood, and fecal matter of their natural prey. 

No altered behavior.  “But you are interfering with their hunting habitat”, one might argue.  I said the same thing in the beginning, but the more I watched, the more I noticed that the sharks lost interest in the bait and boats very quickly, if they came around at all, and usually never returned.  Furthermore, the sharks are transient, meaning that they do not set up camp for long periods of time expecting a free hand out. Still, I had my doubts. Marine biologists were also concerned about altered behavior and feeding patterns so they conducted their own study. You may be surprised to read the results. Read here.

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