bycatch

Etymology
From.

Noun

 * 1) Any fish (or other creatures) that are not targeted as a catch but are unintentionally caught, and often discarded back into the sea.
 * 2) Any person, animal, or thing, captured unintentionally on camera or film.
 * 1) Any person, animal, or thing, captured unintentionally on camera or film.

Translations

 * Dutch:
 * Finnish: sivusaalis
 * German:

Verb

 * 1)  To catch unintentionally while fishing for something else.