10 ANIMALS WHO HAVE BONELESS BODIES

By Khushi thakur may 29, 2024

Boneless Animals/ Invertebrates

Image Source: Canva

The vast animal kingdom has many types of creatures, likewise, there are animals present that have no bones in their bodies known as invertebrates.  Here are 10 amazing animals that have boneless bodies made to adapt their environments.

JellyFish

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A jellyfish is a marine animal with boneless body, tentacles and umbrella-shaped hoods that is made from a jelly-like substance called mesoglea. Their bodies are transparent, bioluminescent and have a unique pulsating movement.

Octopus

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The marine animal octopus is known for big round head with bulging eyes and eight strong tentacles that help them in their movement inside the ocean. They lack an internal skeleton and use chitin to crush and consume prey.

Squid

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Squid fish are like an octopus having a little elongated soft head, having muscular space called a gladius containing organs. Their body comprises eight arms, two longer tentacles that have cups which help them in movement and for capturing prey.

Snails

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Snails are found mostly on land having soft boneless bodies and a coiled shell on the top that is made of calcium carbonate which helps in providing protection and refuge.

Sea Cucumbers

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Sea cucumbers are marine invertebrates that belong to the echinoderm family having elongated, tube-like bodies covered in soft, leathery skin, unlike the hard exoskeletons of their echinoderm relatives.

Earthworms

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Earthworms belong to the phylum Annelida found on land inside soils and decaying plants. Their bodies are boneless and have long cylindrical hydrostatic skeletons, divided into several segments enabling them to move.

Sea Anemones

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Sea anemones are marine invertebrates belonging to the phylum Cnidaria, close relatives to jellyfish and corals. They have a simple body cylindrical structure and a central mouth that is surrounded by tentacles. The skeleton is hydrostatic, a fluid-filled cavity surrounded by muscles.

Cuttlefish

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Cuttlefish are marine molluscs belonging to the class Cephalopoda that inhabit shallow tropical or temperate coastal waters, which also include octopuses. Having a boneless internal inked shell called cuttlebone.

Corals

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Coral reefs are diverse ecosystems built by colonies of tiny marine animals called coral polyps found in phylum cnidaria, related to jellyfish and sea anemones. Each polyp has a stomach that opens at one end, surrounded by a circle of tentacles used for defence, feeding, and clearing debris.