Wow, at least the Survivor I castaways only had to eat live larvae... according to NY Daily News reports, Survivor II contestants faced at least one challenge that involved eating worms, squirming
bug larvae and live grasshoppers. It's unclear if the eating of the raw cow brain if part of the same challenge or another separate challenge.

The article as notes that, although apparently no spear fishing is involved, contestants are able to use the nearly Herbert River as a source of food in the form of freshwater prawns, crawfish and mussels. For bait -- nope, not rats -- instead this time it's grasshoppers and other insects...

Source: NY Daily News"