Can you fit 4 fish in one gallon bowl measuring 12 by inches?

No, you should absolutely not put 4 fish in a 1-gallon bowl that measures 12 inches. Here's why:

* Space is too small: A 1-gallon bowl is incredibly tiny for fish. Even one fish would likely struggle in such a confined space.

* Water quality: Small bowls don't allow for proper water filtration or oxygenation. This leads to poor water quality, which can make the fish sick and stressed.

* Fish welfare: It's cruel and unethical to keep fish in such cramped conditions. They need adequate space to swim, explore, and live a healthy life.

General Rule of Thumb:

* A good rule of thumb is 1 gallon of water per inch of fish length.

* For example, a 4-inch fish needs a minimum of a 4-gallon tank.

Fish need a proper home! If you're interested in keeping fish, research the specific needs of the species you're interested in and provide them with an appropriate tank size and environment.