Nautilus
Category: Molluscs
Age: 500 million years
Living fossil that has remained largely unchanged for millions of years. Known for its distinctive spiral shell and complex eye structure.
Blue Whale
Category: Marine Mammals
Age: 31 million years
The largest animal known to have ever existed. Known for their distinctive songs and massive size, reaching lengths of up to 100 feet.
Coelacanth
Category: Ancient Fish
Age: 400 million years
A remarkable living fossil fish, thought to be extinct for millions of years until rediscovered in 1938. Features unique lobed fins and ancient characteristics.
Jellyfish
Category: Cnidaria
Age: 550 million years
One of the oldest multicellular animals on Earth. Known for their translucent bodies, graceful movements, and some species can produce bioluminescence.
Dolphin
Category: Marine Mammals
Age: 50 million years
Highly intelligent marine mammals known for their complex social structures and sophisticated echolocation abilities. They can recognize themselves in mirrors, use tools, and develop unique whistles as individual names. Their brains are among the largest and most complex in the animal kingdom.
Great White Shark
Category: Cartilaginous Fish
Age: 450 million years
One of the ocean's apex predators, equipped with multiple rows of serrated teeth and an extraordinary sensory system. They can detect a single drop of blood in 100 liters of water and feel the electric fields generated by hidden prey. Despite their fearsome reputation, they play a crucial role in maintaining marine ecosystem balance.
Starfish
Category: Echinoderms
Age: 450 million years
Remarkable marine animals that can regenerate lost arms and even regrow an entire body from a single arm. They have no brain but possess a complex nervous system that allows them to detect food, navigate their environment, and coordinate their unique hydraulic movement system.