Undersea Creature Kids T-Shirts

This sea creature is the bioluminescent Pinecone Fish (aka Pineapple Fish or Knight Fish)!

Lots of curly green octopus tentacles! This design is also available in Pink and Yellow, so pick your favourite colour! This original design was created by Jackie Tahara of UnBlink Studio.

Fun cute kawaii blue jellyfish with spots is just floating around in the ocean! If you love the ocean, sea creatures and fish, the coastal environment and funny nature animals, this one is for you! Be sure to check out my Pink Squid and Green Octopus designs too. See them all in my Creature Features Collection!

Fun, funny, cute kawaii Pink Squid with spots is just floating around in the ocean! If you love the ocean, sea creatures and fish, the coastal environment and funny nature animals, this one is for you (and it is NOT just for kids)! Be sure to check out my Blue Jellyfish and Green Octopus designs too. See them all in my Creature Features Collection!

I love being underwater

Undersea life is still being a Mystery, so this design is descript about it

Fun, funny, cute kawaii Green Octopus with spots is just floating around in the ocean! If you love the ocean, sea creatures and fish, the coastal environment and funny nature animals, this one is for you (and it's NOT just for kids)! Be sure to check out my Pink Squid and Blue Jellyfish designs too. See them all in my Creature Features Collection!

Myth or truth?

Lots of curly pink octopus tentacles! This design is also available in Green and Yellow, so pick your favourite colour! This original design was created by Jackie Tahara of UnBlink Studio.

Lots of curly yellow octopus tentacles! This design is also available in Pink and Green, so pick your favourite colour! This original design was created by Jackie Tahara of UnBlink Studio.

Under the sea cuteness with all these happy marine animals. This is a perfect gift for ocean lovers and sea animal enthusiasts.

Show your love of ocean creatures with these color marine mammals in soft pastel colors. Features manatees, narwhals, dolphins and killer whales.

My original watercolor design of a Pekingese mermaid.

My original watercolor painting of a sea turtle.

photograph of humpback whale jumping out of water.

A biter from the game Subnautica. They tend to swarm and tear apart the skin from your bones. While you're still alive. Thankfully, this one has been safely captured and put onto Redbubble merchandise for your enjoyment.

sea turtle, tattoo style, blue digital drawing of a swimming turtle

My original watercolor design of a bunny mermaid riding a seahorse through the ocean!

A sinister warper who will warp you out of your seamoth when you least expect it.

Still searching for Ocean's Greatest Predator Killer Whale Humpback Hammerhead Orca Whale designs? Make a statement with this I Just Freaking Love Whales tee. Makes a great gift for the Orca Whale lover who loves funny Whale tees.

A mass of purple and black tentacles jealously clutching at beautiful rainbow seashells, guarding their treasure as a dragon guards its hoard of gold. Shimmering bubbles complete the magical undersea pattern.

Still searching for Ocean's Greatest Predator Killer Whale Humpback Hammerhead Orca Whale designs? Make a statement with this I Just Freaking Love Whales tee. Makes a great gift for the Orca Whale lover who loves funny Whale tees.

Another spin on a vintage octopus

Colorful and funky seahorse illustration

Barbarian Shark the mutant shark man. Harmed to the sharp teeth, Undersea gladiator and his crab and octopus pals.

This is a depiction of a mermaid queen with an affinity for cephalopods (better known as squid, octopus and nautilus).

War scene with a giant sea creature

A graceful, bioluminescent jellyfish.

Undersea animals

Octopuses among their coral gardens

Sea Turtle is perfect for nature enthusiasts who admire marine life. A unique gift for ocean and animal lovers, and those who appreciate the beauty of underwater creatures.

My original watercolor design of a crab with crystals on its shell.

A beautiful mermaid surrounded by flowers is the subject of this fantasy portrait.

A sea friendly monster that helps boats and likes exploring deep sea canyons. Once she has found a treasure chest, but never figured out how to open it.

Shark character in a suit running with money vector illustration. Politics, corruption, funny design concept.