Octopus

Octopus Behavior Across Three Seas (Grenada to Indonesia)

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Eight arms, three hearts, blue blood—and problem-solving to match. For World Octopus Day, here are three short clips. These clips are from night and reef dives in Grenada, Costa Rica (near Isla del Caño), and Indonesia. Each clip shows a different side of octopus behavior: camouflage, locomotion, and hunting posture.

Wrecks like the Bianca C and shallow reef systems make Grenada a favorite for varied diving—easy drift routes by day and lively night dives after dark. Rubble, seagrass edges, and wreck crevices concentrate crustaceans, so reef-dwelling octopuses are common if you move slowly and scan with a diffused light.

This protected marine reserve off the Osa Peninsula mixes volcanic rock, ledges, and coral heads—great ambush terrain with plenty of small fish and crabs. Calm coves for twilight/night dives plus healthy prey density make it a solid place to spot multiple octopus individuals working the reef.

Indonesia sits in the world’s richest marine-biodiversity zone—reefs, sand flats, and muck sites in close proximity mean endless micro-habitats. That habitat variety (plus frequent night and dusk diving) makes Indonesia exceptional for seeing different octopus types and behaviors—from sand-dwelling hunters to reef camouflagers.


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Comments

10 responses to “Octopus Behavior Across Three Seas (Grenada to Indonesia)”

  1. Monkey's Tale Avatar

    I’ve never seen an octopus when diving. What an amazing creature. Maggie

    1. ScubaHankNYC Avatar

      The are master of camouflage and pretty sneaky. Sometimes it’s pretty hard to spot them especially when they blending into their surrounding.

  2. sharonsiconictravelphotographyblog Avatar

    It’s coloring definitely helps it blend in.

    1. ScubaHankNYC Avatar

      It’s amazing when they change their color.

  3. tidalscribe.com Avatar

    Octopus deserve a special day, so fascinating and they go against our pre conceived ideas of what intelligent life should look like, even what is a Brain!

    1. ScubaHankNYC Avatar

      Thanks for your comment! Absolutely. Octopuses redefine what we think intelligence looks like. Watching one navigate, adapt, and interact on a dive—there’s nothing quite like it.

  4. Cherryl Avatar

    I’ve always heard that octopus are highly intelligent, but didn’t know they had three hearts, wow!!!!

    1. ScubaHankNYC Avatar

      They are very fascinating creatures.

  5. mitchteemley Avatar

    Such fascinating creatures. Great footage, Hank!

    1. ScubaHankNYC Avatar

      One of my favorites. Thanks!

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