They eat stray bits of food left by the shark and tiny shrimp-like parasites that live on the shark's skin.
(They; eat; stray bits of food) (food; left; by the shark and tiny shrimp-like parasites) (tiny shrimp-like parasites; live; L:on the shark's skin)
They food tiny shrimp-like parasites
eat left live
stray bits of food
by the shark and tiny shrimp-like parasites
L:on the shark's skin