We stayed only one day at the hotel, long enough for me to become acquainted with the bathtub, located in another closet next to the toilet. A rope of water twisted and whirled from a brass faucet, filling the tub. I sat in the cold water up to my neck and discovered that I could slide down the back of the tub and hit the bottom with a great splash. When my water party was interrupted, both the bathroom and I got a scrubbing.
After reading this excerpt, readers can infer that

Ernesto gets in trouble for his messy splashing

Explanation:

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:

the answer can be "credo" it means to believe = the word credo means "an official statement of beliefs"