170 Ocean Life 
The tenacity of life that sharks exhibit is most amazing. 
After having been out of water for hours, after having their 
bodies slit and gutted, they still swim away when dropped 
into the water, and will even eat their own entrails. Many 
people have lost hands or arms when trying to remove hooks 
Ground shark with pilot or sucker fish. 
from the powerful jaws of what they thought were dead 
sharks. 
The sucker fish, or remora, is often associated with the 
shark. It has a suction disk on the top of its head by means 
of which it fastens itself to its host. A remora when captured 
can be made to fasten itself on a wet deck or other surface. 
