What color is an alevin?
Orange
Do alevins like light or no light?
No light!
How long will the alevins have their sack?
30-50 days
Why do alevins hate light?
They are fragile, defenseless, and they want to blend in.
Why do the alevins have a sack on their stomach?
They have it for a food source.
At what temperature do alevins start feeling uncomfortable?
14ยบ Celsius
What is the under-gravel place they live in called?
A redd.
How long does it take for an alevin to turn into a fry?
Two months
What does the yolk sac contain?
The yolk sac contains proteins, minerals, and salts that the alevin needs to live and grow.
Alevins have very little control over how they grow; what do they do depend on?
a. their egg sacks b. the temperature of the water c. their camouflage d. how much sunlight they get
b. the temperature of the water