Safety / Survival / Army Field Manuals / AFM 3-05.70
Survival index
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Chapter 16
Sea Survival
THE OPEN SEA
Sea Urchins, Sea Biscuits, Sponges, and Anemones
16-121. These animals can cause extreme, though seldom fatal, pain. Usually found in tropical shallow water near coral formations, sea urchins resemble small, round porcupines. If stepped on, they slip fine needles of lime or silica into the skin, where they break off and fester. If possible, remove the spines and treat the injury for infection. The other animals mentioned inflict injury similarly.
Survival index
All text and images from the U.S. Army Field Manual 3-05.70: Survival.
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