Bigfin Reef Squid image CC-BY-SA "Rhododendrites" Bigfin Reef Squid is the name of a tiny squid close to Owen's heart... or so we thought! These sneaky, sparkling squid turned out to be a cryptospecies complex: several different kind of squid that all

Jellies might look like blobs, but they are very complicated invertebrates that come in hundreds of shapes and can be microscopic or as big as a whale! They can fill almost any ecological niche from prey, to keystone species, to predator! Jellies' chem

Crown of Thorns Starfish Image CC-BY Joi ItoThe Crown of Thorns Starfish is an very unusual species of Sea-Star. It has a round-flat body with a much bigger central body and stomach than most sea stars, and is symmetrical with an even number of arms,

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