Marine Animals
Animals adapted to life in the ocean, spanning mammals, fish, and invertebrates that call the sea home.

Common Octopus
Octopus vulgaris
Marine AnimalThe common octopus is a remarkably intelligent, boneless marine invertebrate found in coastal waters worldwide, renowned for its problem-solving abilities and rapid camouflage.

Moon Jellyfish
Aurelia aurita
Marine AnimalThe moon jellyfish is one of the most common and widely-distributed jellyfish species, drifting through coastal waters worldwide in large seasonal blooms.
Marine Animals FAQs
How many marine animals are listed here?
This page currently features 2 species, and more are added regularly as the dataset grows.
What is the most popular animal in this list?
Common Octopus is currently the most popular animal in Marine Animals.
Are any of these animals endangered?
None of the species currently listed are classified as threatened, though conservation status can change over time.
Explore Other Categories
Mammals
Warm-blooded vertebrates with fur or hair that nurse their young with milk, ranging from tiny shrews to the blue whale.
Birds
Feathered, egg-laying vertebrates found on every continent, from flightless penguins to long-distance migratory raptors.
Fish
Gilled, water-dwelling vertebrates spanning freshwater rivers to the deep ocean, from tiny minnows to whale sharks.
Reptiles
Cold-blooded, scaled vertebrates including snakes, lizards, turtles, and crocodilians found on every continent but Antarctica.
Amphibians
Cold-blooded vertebrates that typically begin life in water and move to land, including frogs, toads, and salamanders.
Insects
The most diverse animal group on Earth, six-legged invertebrates found in nearly every habitat on the planet.
Dinosaurs
Prehistoric reptiles that dominated life on land for over 160 million years before going extinct roughly 66 million years ago.