Dive into the mysterious and vibrant world of ocean life. From microscopic plankton to colossal whales, discover fascinating creatures and ecological wonders that often surface in crossword puzzles.
Ocean Life provides an endless wellspring of material for crossword puzzles, encompassing an incredible diversity of species and marine phenomena. Clues can range from common fish and mammals to rare deep-sea creatures, exploring adaptations, habitats, and behaviors. Puzzle solvers will delight in wordplay involving coral reefs, tidal patterns, and the names of various ocean currents. The sheer variety of aquatic flora and fauna, alongside ecological terms and famous explorers, makes this a truly engaging topic for any crossword challenge.
Crossword clues used in ocean life puzzles, with answers and links to play.
“A small free-swimming crustacean with an elongated body and long antennae”
SHRIMP (6)
“A star-shaped marine invertebrate with five or more radiating arms”
STARFISH (8)
“A limbless cold-blooded vertebrate animal with gills and fins living wholly in water”
FISH (4)
“A gelatinous free-swimming marine animal with a bell-shaped body and stinging tentacles”
JELLYFISH (9)
“A fish-eating marine mammal with sleek fur and flippers”
SEAL (4)
“A large toothed whale with distinctive black and white markings”
ORCA (4)
“A ridge of jagged rock or coral just above or below the surface of the sea”
REEF (4)
“A large and active predatory schooling fish highly prized for food”
TUNA (4)
“A burrowing marine mollusk with a two-part hinged shell”
CLAM (4)
“A large waterbird with a distinctive throat pouch used for scooping up fish”
PELICAN (7)
“Large brown seaweed that grows in dense underwater forests”
KELP (4)
“A small round marine invertebrate covered in sharp defensive spines”
URCHIN (6)
“A simple porous marine invertebrate that pumps water to filter food”
SPONGE (6)
“Simple nonflowering aquatic plants that include seaweeds and single-celled forms”
ALGAE (5)
“A climate pattern involving unusual warming of surface waters in the eastern Pacific”
ELNINA (6) · ELNINO (6)
“An opening on the seafloor that spews mineral-rich, superheated water”
VENT (4)
“A popular cold-water food fish that drove historical trade in the Atlantic”
COD (3)
“A highly intelligent, eight-armed cephalopod capable of complex camouflage”
OCTOPUS (7)
“Drifting organisms that inhabit the water column and cannot swim against the current”
PLANKTON (8)
“The periodic rise and fall of sea levels caused by gravitational forces of the moon and sun”
TIDE (4)
“The primary mineral dissolved in seawater that gives it its characteristic taste”
SALT (4)
“Simple aquatic organisms that produce much of the planet's oxygen”
ALGAE (5)
“Organisms that live on or near the ocean floor”
BENTHOS (7)
“The rising of cold, nutrient-rich water from the deep ocean to the surface”
UPWELLING (9)
“Describing the vast, high-pressure zones of the ocean far below the surface”
DEEP (4)
“A large system of rotating ocean currents, often trapping plastic waste”
GYRE (4)
“A giant wave train caused by an underwater earthquake or volcanic eruption”
TSUNAMI (7)
“A ridge of jagged rock, coral, or sand just above or below the water surface”
REEF (4)
“Sound-bouncing tech used to detect submerged anomalies.”
SONAR (5)
“The strange, disc-shaped object found at the bottom of the Baltic Sea.”
ANOMALY (7)
Showing the first 30 of 158 clues. Visit each puzzle to see all its clues.
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