Yes they need to where they are going.
Echolocation.
a coy fish with squinted eyes. hahahaha
A fish without eyes would have smooth skin where the eyes would normally be located. It may appear slightly different from other fish due to the absence of eyes, but otherwise would look similar in shape and structure.
No, camera eyes like all other vertebrates. Mollusks also have camera eyes. Only anthropods and insects have compound eyes.
some people don't like fish because there eyes are on the outside of there head
How can you say that your eyes work like an input device?
A FISH LOOKS LIKE A FISH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! CHARACTERISTICS INCLUDE FINS GILLS BEADY EYES DEPENDENCE UPON WATER ENJOY YOUR SUSHI!
Fish don't have eye lids, so they never close. But there are exceptional fishes like the Sharks do have eyelids to protect their eyes!
they work just like human eyes and they could blink like humans
Blinky the Fish Had 3 Eyes
The eyes of fish are called "ocular globes."
It looks like a brown fish with closed eyes and a red spot on it.