What does "overfishing" mean?

Fishing that reduces the stock of remaining fish in an area to below that which is acceptable.

Overfishing

noun, verb

noun, verb ·4 syllables ·Rare ·Advanced level

Noun

1
Fishing that reduces the stock of remaining fish in an area to below that which is acceptable. uncountable, usually
"Most of the overfishings in the international sense are a product of misuse."

Verb

1
present participle and gerund of overfish form-of, gerund, participle, present

"Due to overfishing, some fish stocks are now at perilously low levels."