Original: Description The pilot fish congregates around sharks , rays , and sea turtles , where it eats ectoparasites on and leftovers around the host species ; younger pilot fish are usually associated with jellyfish and drifting seaweeds .
Simplified: Pilot fish usually gather around sharks ( as well as rays and sea turtles ) . When pilot fish are young , they gather around jellyfish and drifting seaweeds .