Learn English – a word for an unfamiliar situation

There is a phrase, life imitates art that seems to encompass your example. This is discussed in Oscar Wilde's 1889 essay The Decay of Lying, arguing that, "Life imitates Art far more than Art imitates Life".

Use abundant (overabundant) to describe something that exists in large amounts that are more than what's needed.

Near synonyms are plentiful, emphasizing "large amounts," and ample, emphasizing "more than enough

"Our oceans provide sustenance galore."

galore

Galore means there’s so much that it’s unbelievable. The word is an example of a postpositive adjective, which means it comes after the word it describes. (vocabulary.com)