Question

Thank you for your help.

1. There are two computer mice on the table.
2. There are two computer mouses on the table.
[Which one is correct, mice or mouses? Are both okay?]

3. There are two mice in the field.
4. There are two mouses in the field.
[A mouse is an animal here. In these two sentences, 'only 'two mice' is correct, isn't it?]

Answer 1

Mice is always the plural of mouse, whether you mean the living ones or the computer ones.