Maldiver
  • Welcome
  • Fishes A to Z
    • Fishes: A - C >
      • Anemonefish (Clownfish)
      • Angelfish
      • Anglerfish (Frogfish)
      • Bannerfish
      • Basslet (Anthias)
      • Batfish
      • Bigeye
      • Blenny
      • Boxfish
      • Bullseye (Sweeper)
      • Butterflyfish
      • Cardinalfish
    • Fishes: D - G >
      • Damselfish
      • Dart Goby
      • Emperor
      • Filefish
      • Flutemouth
      • Fusilier
      • Ghost Pipefish
      • Goatfish
      • Goby
      • Grouper
      • Grubfish
    • Fishes: H - O >
      • Hawkfish
      • Jack & Trevally
      • Lizardfish
      • Manta Ray & Devil Ray
      • Moorish Idol
      • Moray Eel
      • Mullet
      • Needlefish
    • Fishes: P - R >
      • Parrotfish
      • Pipefish
      • Porcupinefish
      • Pufferfish
      • Pursemouth
      • Rabbitfish
      • Ray
      • Remora
      • Rudderfish
    • Fishes: S >
      • Scorpionfish >
        • Lionfish
        • Paper Scorpionfish
        • Stonefish
      • Shark >
        • Whale Shark
      • Snapper
      • Soldierfish
      • Spinecheek
      • Squirrelfish
      • Surgeonfish
      • Sweetlips
    • Fishes: T - Z >
      • Triggerfish
      • Triplefin
      • Trumpetfish
      • Tuna
      • Unicornfish
      • Whale Shark
      • Wrasse
  • Animals A to Z
    • Flatworm
    • Giant Clam
    • Jellyfish
    • Nudibranch
    • Octopus
    • Sea Cucumber
    • Sea Urchin
    • Starfish
    • Turtle
  • Diving & Snorkelling
    • Diving >
      • Learning to dive
      • Air and gas pressure
      • Visibility in the water
      • Dictionary
    • Snorkelling
    • Equipment >
      • Mask
      • Snorkel
      • Fins
      • BCD
      • "Octopus" with regulators
      • Dive computer
      • Clothing
      • Safety signal tube
  • Underwater photography
    • Challenges
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    • Editing pictures
  • Favourite gallery
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What to see when diving and snorkelling in Maldives

Octopus

The octopus is a mollusk with 8 arms. It has no internal or external skeleton, allowing it to squeeze through tight places, for example crevices in the coral reef. They hunt at night and seek shelter at daytime, making them difficult to find. 
Octopuses are among the most intelligent and behaviorally flexible of all invertebrates. They can also change color at will. I once saw an octopus change color from white to blue in less than a second.
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