Difference between Small Fry and Youngster

SMALL FRY vs YOUNGSTER: NOUN

One or more persons or things of relatively little consequence, importance, or value.
One or more children.
One or more small or immature fish.
People or things regarded as unimportant.
Young or small fish.
Small children.
A young person of either sex
Someone who is small and insignificant

A young person.
A young person; a youngling; a lad.
A junior officer in a company, battery, or troop.
A young person; a lad: sometimes applied also to young animals, especially horses.
A young animal.
A young person; a child or youth.
A young person of either sex

Diminutiveness, Pusil, Pip squeak, Youngster, Child, Tyke, Shaver, Nipper, Nestling, Kid, Tiddler, Tike, Minor, Squirt, Fry

Youth, Young, Boy, Lad, Small fry, Fry, Shaver, Minor, Nestling, Tiddler, Child, Tike, Nipper, Tyke, Kid

Inexperienced person, Insignificant, Runtish, Diminutiveness, Pusil, Youngster, Child, Tyke, Nipper, Kid, Tiddler, Tike, Minor, Squirt, Fry

Juvenile, Tot, Youth, Young, Boy, Lad, Small fry, Fry, Minor, Tiddler, Child, Tike, Nipper, Tyke, Kid

However, the eggs and small fry of many spring spawning species are extremely sensitive to this acidification.
Frankly, Sadeas is a small fry at this point, some irrelevant water under the bridge.
Only now I guess commenters are too small fry and bloggers must be the target.
Not like all you small fry yourself everyone, we are heading out now!
Sized Problem or a Small Fry in the Inevitable Development of Product Liability?
But these are small fry, compared to the behemoth that is mobile payments.
Small Fry dead before he can carry out his vengeful deed.
Throw small Fry Whitebait that can be found in the flats.
Paper Company, GS Technologies and Small Fry Snack Foods Limited.
Small Fry booth, whdro children may buy gifts.