by-catch

British  

noun

1. unwanted fish and other sea animals caught in a fishing net along with the desired kind of fish

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Example Sentences

Wire traps, or snares, are often set for antelope - both for food and illegal trade - but many large mammals become victims as by-catch.

From BBC

Since 2019, by-catch quotas have been basically eliminated in Mexico, and inspections have plummeted.

From Seattle Times

Dr Cabada-Blanco said the team was able to "engage the community really effectively", with locals sharing tales of historical sightings, and even "aiding in the live release of individuals accidentally caught as by-catch".

From BBC

Balearic shearwaters are long-lived but Critically Endangered mainly because of declines driven by fisheries by-catch, as they can get caught on baited longline hooks and gill nets.

From Science Daily

Federal law already requires their boats to carry monitors who gather data, including how much “by-catch,” species other than the kinds their permits allow, is swept up.

From Seattle Times