Oysters, clams, and mussels are a type of mollusc called a bivalve. Bivalves grow two shells, one on the right side of their body and one on the left. They hold them closed except when they need to open them with a powerful muscle. Oysters grow togethe

People long thought that the Portuguese Man O'War was long thought to be a strange jellyfish that evolved to float on the surface. It wasn't until we saw other Siphonophores deep underwater that we figured out it was a type of Siphohophore, too! The Po

Kelp grows in huge forests, which cover 0.1% of the ocean floor. That might not sound like a lot, but some Kelp forests are so huge you can see them from space! Each kelp stalk is rooted on the ocean floor, but thanks to the air it traps in its stalk, it

Cuttlefish are clever tricksters of the ocean. Like their cephalopod cousins the squid and octopus, they can squirt ink, but the tricky cuttlefish can also make a balloon out of mucus and fill it with ink to make a decoy cuttlefish. They can also change t

Siphonophores are big colonies of individual creatures (nectophores) that stick together and share the work of living I the deep sea. Some nectophores swim, some catch food, some digest it, and some do the steering. They are the perfect example of teamwo

Coconut Octopus image, CC-BY Christian GloorThe Coconut Octopus is the cleverest species of cephalopod. They collect coconut shells, clam shells, or other objects they can squeeze into and hold closed. They use these tools to hide from predators and t

Mimic Octopus Image, CC-BY Elias LevyThe mimic octopus is sneaky! It can change its colour and shape to imitate other sea creatures. They have been seen pretending to be crabs, sea snakes, rays, jawfish, lionfish, anemones, coral, and more! They use t

"We played a sound that we think means 'Hello' to the [humpback whale named] Twain... and Twain said 'Hello' back!"OwenToday we are updating two of our episodes with follow-up information. Both about how intelligent whales really are, because w

Humpback Whales have beautiful voices, and are the great musicians of the sea. Each family has their own special song, and each individual whale has a song of its own based on it, just like a personal name! They also make up new songs for both fun and com

Orca are really smart! They can be taught to do tricks like sing songs and count, if they are trained well!OwenOrca, sometimes called "Killer Whales" are a really large Dolphin: they are one of the Oceans' apex predators. They work in packs to