A huge shoal of sardines is attacked on all sides.
Frantically twisting through the waves, a huge shoal of sardines desperately tries to escape a deadly assault.
For no reason that they could divine, the huge shoals of pilchards had disappeared, only tiny scattered pockets remaining.
Off the coast at Paracas, huge shoals of anchovies gather.
These fish are highly streamlined for fast swimming and often form huge shoals which makes many species commercially important for the fishing industry.
Still others say it is the nature of the fish, whose huge shoals have a historic reputation for mysteriously disappearing or shifting course.
It is commonly found swimming in huge shoals that rapidly burrows in sand if alarmed.
Carp fishing is best in winter when the carp form huge shoals.
None of them had as yet plucked up the courage to throw their own nets at the huge shoal.
It is extremely common in huge shoals migrating towards the coast to feed on small fish and prawns during the summer.