7 animals that don't have bones

Jellyfish: These mesmerising creatures are made up of a gelatinous substance called mesoglea.

Octopus: Their bodies are mostly composed of soft tissue, with a small internal shell or no shell at all.

Squid: Similar to octopuses, squids have soft bodies with a reduced internal shell or none at all.

Sea cucumbers: These echinoderms have a flexible body supported by a water-filled cavity called a hydrostatic skeleton.

Worms: Various types of worms, like earthworms and flatworms, lack bones and have soft, elongated bodies.

Slugs: These gastropods have a soft body protected by a slimy mucus layer, but no bones.

Snails: Like slugs, snails belong to the gastropod group and have a soft body with a protective shell, but no bones.