8. They move by multitasking. Pyrosomes are filter-feeders -- they eat plankton -- and they do their eating by filtering plankton-rich water in, and then expelling it into the hollow interior of the colony.

Are pyrosomes edible?

They're actually gelatinous organisms called pyrosomes, and unlike pickles that come in a jar, these aren't exactly edible. Pyrosomes are shaped much like pickles—hence their food moniker—and are semi-translucent.

Can you go inside a pyrosome?

The Giant Pyrosome is a free-floating, colonial tunicate that is made of thousands of identical clones, together forming a hollow cylindrical structure that can be 60 feet (18 m) long and wide enough for a person to enter.