Different strokes: How lampreys use suction thrust to swim
Most fish swim by creating backward thrust, their tails pushing against the water. Last year, an MBL Whitman Center team made the surprising discovery that lamprey and jellyfish propulsion is just the opposite: Each undulation of the animal’s body creates a small, spinning area of low pressure that sucks the organism forward.
What does this mean for marine robotics? Learn more over at MBL's The Well.