Yes, undercooked fish makes your stomache upset, especially if it wasn't properly cooked or taken care of before you ate it. You probably have food posioning.
Overcooked fish would be dry and rubbery.
Well If You Eat Raw ( Uncooked ) Meat What it Will Do That You Will Have Worms And Parasites in Your Body
Vivian overcooked the goose, so now Phil won't eat it.
overcooked
ARMAGEDDON!
A fish which happens to be particularly large.
Overcooked
Burn
Chicken is tough when it is overcooked, not undercooked. It may also be chewy. Undercooked chicken tends to be rather spongy.
The fish will die.
This happens when the fish is dead or dying.
Then the fish would swim away.
If you stab a puffer fish it will die. Nothing special happens because of the type of fish.