A fish actually excretes ammonia dissolved in water.
At the temperature and pressure that fish are normally found ammonia is a gas.
Solid
Solid
liquid???
liquid???
it's a solid because you eat.
In the natural state, and under standard conditions, it will be solid and liquid.
gas
gas
gas
gas
gas
A milkshake would qualify as a solid. A fish swims in a liquid (water). If a fish was stuck in a milkshake it wouldn't be able to swim because it's a solid. Therefore a milkshake qualifies as a solid.