The Slowest Animal Is. A banana slug moves forward by relaxing and contracting its muscular foot creating a wave that makes its body move slowly. The slowest growing animal on Earth is the tortoise.
They prefer to rest on treetops in the jungles. The Giant Tortoise also is known as the Galapagos Tortoise is large and heavy making it one of the slowest animals in the world. The slimy slithery animal leaves behind a wet trail along its path and makes us squirm.
They also happen to be the cutest animals.
The slowest growing animal on Earth is the tortoise. Three-toed sloths are the slowest animals in the world native to America. Also they are so slow in movement that algae grow on them. They are slower than a snail or a turtle.