What is the origin of the idiom "drink like a fish" and when to use it?

The idiom "drink like a fish" is used to describe someone who consumes alcohol excessively or frequently. The origin of this phrase is not precisely known, but it likely comes from to the idea that fish live in water and are constantly surrounded by it, so implying that someone "drinks like a fish" implies they have a seemingly unquenchable thirst for alcohol, similar to a fish in its natural habitat.