Green terror eggs(HELLP!)

[QuErorZ]

Hello everybody,
When i came house i saw a green terror that's fighthing with other americans.Then when i lookt carefully i saw eggs =))).But that's my first time so i have many questions.
Here my questions(Notelease use an easy and understandable English,cause my English level is low)

1)Just 1 fish is saving eggs.Is this male or female?
a)If it is female where is the father of the eggs?
2)Eggs are on quartz sand.So does this make a problem?
3)Have eggs got tolerans or they are sensitive?What degree must water be?

Thank you...

 

[QuErorZ]

Now i saw 1 more fish is saving eggs but it comes to eggs sometimes.Other one is always with eggs.Now which one is female?

 

[Fish on Fire]

Generally, the female will stay closer to the eggs while the male guards the perimeter. If they eggs are a sort of tanish color, then they are fertilized. If they are white, chances are they aren't fertilized and no babies will pop out. Gl.