10 Oldest Animals On Earth You Probably Didn’t Know Exist


3. Jelly Fish

Age: 500 Million years

Jelly Fish - oldest animals

Believe it or not, Jellyfish is one of the oldest animals and have been around for over 500 million years (700 million years according to some). They are extremely dangerous creatures and are found scattered in all oceans of the world. This aquatic animal is umbrella-shaped, transparent looking with tentacles that help them swim freely. Jellyfish are known for emitting toxins that cause a painful sting. The tentacles are also used in self-defense and to capture preys.

2. Sponge

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