Trout

A nest of trout eggs is called _________.

• nest

• tropic

• redd

• swell

a female trout can lay between 20-800 eggs

• True
• False

Alevin nutrition is absorbed from the ______

• shell

• drive through at Burger King

• egg yolk

• albumen

About 1-2% of the eggs will survive to adulthood

• True
• False

Water temperatures must stay in the ____degree Fahrenheit range for optimal trout development.

• 20-50

• 48-54

• 25-65

• 35-55

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

After the egg stage, trout are called _________?

• fingerlings

• hatchlings

• alevin

• eggs

Vertical marks appear on fish as they grow- these are called_______?

• poor marks

• line marks

• park marks

• parr marks

Why do fish have parr marks?

• camoflauge

• nutrients

• swim faster

• grow quicker

Trout need a river with: (pick 3)

• cold, clean water

• a healthy variety of insects

• shaded or tree lined sides

• big current

Tags

NGSS.MS-LS1-5

A tree lined creek or river provides trout with: (pick 2)

• a lovely view

• cool water and shade to hide in

• a stable riverbank

• fresh water and filters

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4