fisheries

what are the fish that are caught accidently known as?

• unlucky

• sidecatch

• bycatch

• fishfry

how can you improve the use of long lines?

• use circle hooks

• limit the length of the line

• fish at a depth sea birds can't reach the bait

• use thicker line

what is the main problem with demersal trawling

• you don't catch much

• damage to the seabed

• too much by catch

• ropes get stuck on the bottom

how can fish stocks be saved?

• have quotas

• stop illegal fishing

• have no fishing zones

• just keep fishing normally

why might dolphins get stuck in seine nets?

• unlucky

• they get caught because they were trying to steal the catch

• they swim into the net

• they jump over the net

what is ghost fishing?

• fishing by the ghosts of lost fishermen

• being very quiet & still to catch fish close by

• catching fish by lost or discarded fishing equipment loose in the oceans

• fishing for ghost carp

Demersal fishing refers to

• fishing at the surface

• fishing in midwater

• fishing on the ocean bottom

• fishing around a wide area

what are pelagic species?

• fish that swim on the bottom

• fish that swim in midwater to the surface level

• fish that swim close to pelicans

• fish that don't swim

what fish used to be caught in huge quantites in the north sea but was overfished so much that the population crashed?

• cod

• salmon

• herring

• plaice

how can some wild fish stocks be saved?

• catch & release

• fish farming

• ban fishing

• no fishing zones