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Found this one in shallow water at 2-3 meters deep. It was half buried in the sand. This is normal behavior of this species. It is active in the night. When we approached it acted in typical defense behavior. A ray thretened on the tail will propel itself upward into a loop; if it has not escaped after the maneuver, the ray will curl into a ring with the belly facing outward, so as to present the area of its body with the highest electric field gradient towards the threat; these behaviors are accompanied by short, strong electric shocks up to 90 volts.
Spotted on Jun 3, 2015
Submitted on Jun 3, 2015
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