Ocean Mysteries

Clues in this puzzle

Across

• Triangle known for unexplained disappearances of planes and ships. (7)
• Ebb and flow driven by mysterious lunar forces. (5)
• Sound-bouncing tech used to detect submerged anomalies. (5)
• Microscopic drifters that can cause mysterious glowing waves. (8)
• The ocean is divided into pelagic layers known as these. (5)
• The midnight zone is completely devoid of sunlight and remains this way. (4)
• Super-salty underwater pool that is toxic to most life. (5)
• The seemingly bottomless chasm of the pelagic realm. (5)

Down

• Unmanned submersible used to film unreachable seafloors. (3)
• Plato's legendary island that supposedly sank beneath the waves. (8)
• The Mariana Trench represents the ultimate extreme of this. (4)
• Bathymetric charts do this to the uncharted ocean floor. (3)
• Underwater volcano that creates a thriving, isolated ecosystem. (8)
• The strange, disc-shaped object found at the bottom of the Baltic Sea. (7)
• What remains of a galleon after a disastrous storm. (5)
• Vessel built to withstand immense pressure in the abyss. (3)

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