Phylum Platyhelminthes 

This beautiful pink flatworm is known as Prostheceraeus giesbrechtii (roseus). It is found in the Mediterranean Sea near Sicily, Italy. 

This is from the pseudoceros genus. It is found in the Gulf of Thailand. 

This flatworm is pseudoceros zebra. It can be found near South Africa, Tanzania and the Red Sea. 

Phylum Porifera

The orange puffball sponge is spherical in shape with a flat bottom. When parts of the sponge becomes infected, the sponge is able to use its spicules to isolate the infected part and expel it from the main body. Then, it is able to regenerate the shed part. 

The giant barrel sponge is usually found in the Caribbeans. It has a lifespan of up to 2000 years. 

Glass sponges form reefs off the coast of British Columbia and Washington State. 

Phylum Cnidaria 

This massive Normura jellyfish looks like it came straight out of a Japanese horror movie. They lurk in the Yellow Sea and East China Sea and can grow up to 2m in length. 

The flower hat jellyfish has shiny tentacles that it uses to hunt small fish for food. It lives off the coast of Argentina, Brazil and Southern Japan. 

The Bathykorus Bouilloni is the only species in the genus bathykorus. It was discovered in 2010 in the deep waters (below 1000m) of the Arctic Ocean.