E Trop Pacific Ocean
Costa Rica
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Gulf of Nicoya, Isla Tortuga
20Mar1953
1200
09°46.4'N - 084°53.5'W
9.773, -84.892
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0-2 fms
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UCLA W54-75
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Cube’ root (rotenone); skin diving; dipnets
D Erdman; C Peterson
Clear
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Coral sand and rock
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Extreme low