It looks like the inside of a pilot fish.

The pilot fish lives in warm and tropical seas. They are named pilot fish because of their propensity for following ships, leading ancient mariners to believe that they helped navigate.

It is called a Pilot Fish because it tends to follow ships for long distances.

Mutualism two organisms of different species existing in a relationship in which each individual benefits.

An example of mutualism is a pilot fish and a shark. The pilot fish cleans the shark and the pilot fish is protected by the shark.

Flys into it