Because they use there smell to get around stuff.
some fish have big eyes
Most fish can't close their eyes. Some of them don't have any eyelids! Some special fish,+alligators, have invisible clear eyelids that help them see underwater.
Blinky the Fish Had 3 Eyes
The eyes of fish are called "ocular globes."
some people don't like fish because there eyes are on the outside of there head
A fish with 10 eyes is called a "fish." It does not have a special name for having a specific number of eyes.
That is just the color of your fishes scales,it does not really mean anything, why do some people have blue eyes and some people have brown eyes its just a distiction of that fish.
A fish that can blink with both eyes is the four-eyed fish. Although its name suggests that it has four eyes, it actually only has two eyes like other fish, but each eye is divided in two parts allowing it to see above and below the water simultaneously.
If they didn't have eyes, they wouldn't be fish. They would be FSH instead!
One creative way to incorporate fish eyes into a dish is by using them as a garnish or topping for a seafood soup or stew. Another idea is to pickle the fish eyes and use them as a unique addition to a salad or sushi dish. Additionally, you could grind up the fish eyes and mix them into a seafood pate or spread for a flavorful twist.
Their eyes can be almost any colour that the fish is.
gulper fish have small eyes because it help prevents water from damanging it eyes