oysters that created them lived on the sea floor it required deep diving. Many threats of diving included running into dangerous sharks, having an unfortunate run in with poisonous jellyfish, and contracting decompression sickness. The symptoms of the illness nicknamed “the bends” are muscle and joint pain, cramps, numbness, nausea, and paralysis. Due to these threats, slaves were usually sent to do the diving. Despite the threats, it did not stop those wanting the coated grains of sand because of the payout that came with trading them.
oysters that created them lived on the sea floor it required deep diving. Many threats of diving included running into dangerous sharks, having an unfortunate run in with poisonous jellyfish, and contracting decompression sickness. The symptoms of the illness nicknamed “the bends” are muscle and joint pain, cramps, numbness, nausea, and paralysis. Due to these threats, slaves were usually sent to do the diving. Despite the threats, it did not stop those wanting the coated grains of sand because of the payout that came with trading them.