"School of fish"?

[Visitor]

Witam. Mam takie zdanie "Two pilots named Tsukioka and Kobayashi are hunting for schools of fish for a tuna cannery company in Osaka". Co moż…e oznaczać to "schools of fish"? Moż…e tu chodzi o hodowlę ryb, tak samo jak mówimy "szkółka" na hodowlę drzew?

[Visitor]

school = a large number of fish or other sea animals swimming in a group:
a school of dolphins/whales
ławica ryb
pozdr.

[vlord]

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