Rush
From Inkipedia, the Splatoon wiki
Salmon Rush is a Known Occurrence in Salmon Run.
Description
During Salmon Rush, almost all Salmonoids will be Chum. The chum get a massive boost in speed, power, and numbers. If glowflies surround a player, all Salmonoids will focus on the player surrounded with Glowflies. Boss Salmonoids are replaced with Goldies. The chum all have red eyes.
Tips
It's easy to get swarmed by all the Salmonoids, so players should be careful.