What do young salmon fry primarily consume when they begin their lives in rivers and streams?
Answer
Zooplankton, small aquatic insects, and insect larvae
The young fry initially feed on zooplankton, small aquatic insects, and insect larvae present in the water column or near the stream bottom, reflecting the need for high-energy, easily digestible food sources.

Related Questions
What do young salmon fry primarily consume when they begin their lives in rivers and streams?Where does the characteristic pink or orange hue in wild salmon flesh originate?Which food category forms a significant part of the diet for many adult ocean-phase wild salmon?What marine-derived ingredient is critically important in farmed salmon feed for providing high-quality protein?Why is synthetic or naturally sourced astaxanthin added to farmed salmon feed?How does the typical energy substrate of a farmed diet contrast with a wild diet?What function does the early stage of opportunistic feeding in young salmon serve?Besides small fish, what key invertebrate food source is vital for wild salmon, especially when small fish are scarce?How does the health of krill populations directly impact wild salmon?Which animals are listed in the text as predators that help maintain the dynamic balance of the ecosystems salmon inhabit?