Jellyfish: Gelatinous marine creatures with no skeletal structure.
Octopus: Intelligent cephalopods known for their boneless bodies and flexible movements.
Squid: Agile mollusks with soft bodies and tentacles, lacking bones.
Sea anemone: Predatory marine animals with a soft, boneless body resembling a flower.
Sea cucumber: Echinoderms with a soft, cylindrical body lacking bones.
Worms (e.g., earthworms): Invertebrates with segmented bodies and no internal skeleton.
Sea stars (starfish): Echinoderms characterized by a central disk and radiating arms, devoid of bones.
Sea urchins: Spiny echinoderms with spherical bodies and no internal skeleton.
Sea sponges: Simple aquatic animals lacking bones, with a porous body structure.
Coral: Tiny marine invertebrates forming colonies, with a soft body structure devoid of bones.
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