If price and worth mean the same thing, why priceless and worthless are opposites?

english doesn't make sense a lot of the time as the ending changes the properties of the word

the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation:

pulling in the reader is important