New research describes how members of a jellyfish-like species form a coordinated unit to propel themselves through the water by placing the smaller ones in front to steer and the bigger ones behind them to act as the engine.

Colonial animals are those that may seem like one larger body but are made of individuals that depend on each other for survival like the polyps of corals. 

Now researchers have published a new study that describes a colony of jellyfish-like sea creatures which act as a unit to propel themselves through the water. 

They use a clear division of labor where the smaller juveniles provide steering functions in the front, the larger, more powerful members act