49 Fun Sea Animals That Start With C [Plus Facts] (2024)

Last Updated on April 4, 2024 by Michele Tripple

Today, we’re cruising into the cool and curious world of sea animals that start with C. The ocean’s depths are chock-full of creatures that are both charming and a little mysterious. From the coral reefs to the chilly currents of the deep, sea animals that start with C are ready to show us the colorful and captivating sides of marine life. Let’s cast off into this adventure and catch a glimpse of these ‘C’ creatures.

First on our chart is the Clownfish. These bright, orange fish with their white stripes are not just famous because of movies; they’re also fascinating in real life! Clownfish make their homes among the waving arms of sea anemones, forming a special partnership where both help each other survive. It’s like they’re best buddies in the big blue sea.

Next, we’ll come across the majestic Crab. Crabs are like the ocean’s own little knights, wearing their hard shells as armor and brandishing their claws in defense or to snag a tasty snack. They scuttle along the seabed and sometimes even up onto shore, showing off their incredible adaptability. From tiny hermit crabs to the giant spider crabs, these creatures are truly captivating.

Then, there’s the cool Cuttlefish. Don’t let the name fool you; cuttlefish aren’t fish but cephalopods, relatives of squids and octopuses. They’re masters of disguise, changing their skin color and pattern in the blink of an eye to blend in or communicate. Watching a cuttlefish is like seeing a living, breathing work of art.

Cruising through the sea animals that start with C unveils a cast of characters that are as diverse as they are delightful. From the colorful Clownfish to the crafty Crab and the captivating Cuttlefish, each sea animal invites us on an underwater journey full of discovery. So, let’s keep our spirits adventurous and our hearts open to the wonders of the water world!

Check out our other sea animals with our sea animals that start with A and our sea animals that start with B.

Complete List Of Sea Animals That Start With C

Here is a list of sea animals that start with C in alphabetical order. How many do you know from this list? Scroll down to learn more about each sea animal!

1. California Halibut
2. Caribbean Reef Shark
3. Caridean Shrimp
4. Carpet Sea Star
5. Carpet Shark
6. Catfish
7. Cephalopod
8. Cherry Salmon
9. Chocolate Chip Starfish
10. Clam
11. Cleaner Shrimp
12. Cleaner Wrasse
13. Clingfish
14. Clownfish
15. Cobia
16. Cockle
17. Cod
18. Coelacanth
19. Comb Jelly
20. Common Dolphin
21. Common Hammerhead Shark
22. Common Loon
23. Common Octopus
24. Common Sea Dragon
25. Common Sea Star
26. Common Skate
27. Conch
28. Cone Snail
29. Conus
30. Cookiecutter Shark
31. Coral
32. Coral Grouper
33. Coral Snake
34. Cow Shark
35. Cowfish
36. Cownose Ray
37. Cowrie
38. Crab
39. Crab-Eating Seal
40. Crayfish
41. Crested Oyster
42. Croaker
43. Crown Of Thorns
44. Crown-Of-Thorns Starfish
45. Ctenophore
46. Cunner
47. Cusk
48. Cutlassfish
49. Cuttlefish

Fun Facts About Sea Animals That Start With c

Ready to increase your knowledge of sea animals that start with C? Dive in and learn more about all the different sea animals on the list!

• California Halibut: This fish is like a flat pancake that lives on the ocean floor. It likes to hide in the sand and surprise its dinner by popping out!
• Caribbean Reef Shark: These sharks are like the guardians of the coral reefs, swimming around and making sure everything is okay in their underwater home.
• Caridean Shrimp: These are tiny, busy little shrimp that work all day cleaning the ocean floor and sometimes even cleaning other sea animals!
• Carpet Sea Star: Imagine a starfish that looks like it has a beautiful carpet pattern on it. It crawls along the sea floor like a slow-moving star.
• Carpet Shark: Carpet sharks have cool patterns that help them blend in with the sea floor, like a magical carpet ready to take you on an underwater adventure.
• Catfish: Catfish have whiskers like a cat, but they’re fish that like to explore the bottoms of rivers and oceans, looking for snacks.
• Cephalopod: This is a fancy word for sea animals like squids, octopuses, and cuttlefish. They’re like the geniuses of the sea with their big brains and cool abilities like changing color!

• Cherry Salmon: Cherry Salmon are like the fruit of the river, with pretty colors and a taste that makes them a favorite for bears and people alike.
• Chocolate Chip Starfish: Imagine a starfish that looks like it’s covered in chocolate chips! It’s not for eating, but it sure is cute to look at.
• Clam: Clams are like the ocean’s treasure chests, hiding pearls inside. They sit in the sand with their shells tightly closed, keeping their secrets safe.
• Cleaner Shrimp: These shrimp are like the dentists of the sea, picking tiny bits of food from the mouths and bodies of other fish to keep them clean.
• Cleaner Wrasse: Cleaner Wrasses are like the helpful doctors of the reef, giving fish check-ups and cleaning off any pesky parasites.
• Clingfish: Clingfish have superpowers to stick to things underwater. They’re like the superheroes of the sea, holding on tight no matter what.
• Clownfish: Clownfish are the famous orange and white fish that live in sea anemones. They’re like the best friends of the sea, living together with their anemone buddies.
• Cobia: Cobia are strong, fast fish that love to swim in warm waters. They’re like the athletes of the sea, racing through the ocean.
• Cockle: Cockles are small shells that can bury themselves in the sand. They’re like little diggers, hiding away under the sea floor.

• Cod: Cod are important fish for people to eat. They live in cold waters and are like the farmers of the sea, providing food for lots of people.
• Coelacanth: Coelacanths are ancient fish that were thought to be extinct but are still around. They’re like the dinosaurs of the sea, old and mysterious.
• Comb Jelly: Comb Jellies are not like jellyfish; they have rows of tiny hair-like combs that they use to swim. They’re like the sparkling fairies of the sea, glowing as they move.
• Common Dolphin: Common Dolphins are super friendly and smart. They love to play in the waves and are like the joyful puppies of the sea.
• Common Hammerhead Shark: These sharks have a head shaped like a hammer, which helps them find their food. They’re like the handymen of the sea, with a built-in tool on their head.
• Common Loon: Loons are birds that love the water. They have a haunting call and are like the musicians of the lakes, singing their beautiful songs.
• Common Octopus: Common Octopuses are super smart and can change color to blend in with their surroundings. They’re like the magicians of the sea, always ready to disappear!
• Common Sea Dragon: Sea Dragons are like the mythical dragons, but they live underwater and are much friendlier, floating gracefully among the seaweed.

• Common Sea Star: Sea Stars, or starfish, have five arms and can grow them back if they lose one. They’re like the regenerating superheroes of the sea.
• Common Skate: Skates are like flat pancakes with wings that glide along the ocean floor, exploring the underwater world.
• Conch: Conchs are like the snails of the sea, living in big, beautiful shells. You can even hear the ocean if you put their shell to your ear!
• Cone Snail: Cone Snails have pretty shells, but watch out, they can sting! They’re like the sneaky spies of the sea, hiding a secret weapon.
• Conus: This is another name for Cone Snails. They’re like the artists of the sea, each living in a beautifully designed shell.
• Cookiecutter Shark: These small sharks take round bites out of other fish, like using a cookie cutter. They’re like the mischievous cookie thieves of the sea.
• Coral: Corals are like the trees of the sea, building beautiful reefs that many sea animals call home. They’re not just one animal, but a whole community living together.
• Coral Grouper: Coral Groupers are colorful fish that like to hang out around coral reefs. They’re like the guardians of the reef, keeping an eye on everything.
• Coral Snake: While not a sea animal, coral snakes are colorful and venomous. Imagine if they swam like eels, they’d be like the danger noodles of the land.
• Cow Shark: Cow Sharks are ancient and have extra gill slits. They’re like the wise old grandparents of the shark family, swimming through the sea with stories to tell.

• Cowfish: Cowfish are small, boxy fish with horns like a cow. They’re like the cute little clowns of the reef, swimming around with their funny horns.
• Cownose Ray: Cownose Rays have a unique shape that looks a bit like a cow’s nose. They’re like the gentle gliders of the sea, flying through the water with their big wings.
• Cowrie: Cowries are small shells with a shiny, smooth surface. They’re like the precious gems of the sea, each one beautifully unique.
• Crab: Crabs are like the beach’s busy workers, scuttling around with their sideways walk, always busy building and digging.
• Crab-Eating Seal: These seals love to eat crabs and live in cold places. They’re like the polar bears of the seal world, expert crab hunters.
• Crayfish: Crayfish are like mini lobsters that live in freshwater. They’re the adventurous explorers of rivers and streams, always on the move.
• Crested Oyster: Imagine an oyster with a fancy crest, like it’s wearing a little crown. It’s like the royalty of the oyster world, elegant and regal.
• Croaker: Croakers make a croaking noise, like a frog. They’re like the musicians of the sea, singing their songs for anyone who listens.
• Crown Of Thorns: This is a type of starfish that eats coral. It’s like the villain of the reef, but it’s all part of the ocean’s balance.
• Crown-Of-Thorns Starfish: Just like the Crown Of Thorns, they can be a bit of trouble for coral reefs. They’re like the challenging puzzle the reef has to solve.
• Ctenophore: Also known as comb jellies, these are like the sparkling disco balls of the sea, dancing through the water with their shimmering lights.
• Cunner: Cunners are small fish that like to hide among the rocks. They’re like the hide-and-seek champions of the sea, always finding the best hiding spots.
• Cusk: Cusk are deep-sea fish that look a bit like cod. They’re like the mysterious wanderers of the deep, living where few others go.
• Cutlassfish: Cutlassfish look like silver swords swimming in the sea. They’re like the pirates of the ocean, sleek and shiny.
• Cuttlefish: Cuttlefish are masters of disguise, changing color and shape. They’re like the ocean’s magicians, always ready to put on a show.

Did you discover some pretty cool sea animals that start with C on the list? Which one are you excited to see in real life? Share it with us in the comments!