What critical ecological factor prevents juvenile perch from surviving if food is scarce early on?

Answer

Insufficient, high-quality zooplankton blooms preventing rapid growth

The juvenile phase relies heavily on zooplankton; if high-quality blooms are insufficient, young perch may fail to grow quickly enough to evade predation.

What critical ecological factor prevents juvenile perch from surviving if food is scarce early on?
behavioranimalfishaquaticYellow Perch