some kind of cichlid??

I have API Aquarium Salt it has directions on how much to use but how often?? When i do water changes? is so should i calculate for what water im adding or the entire tank.

 

It's about 20 gallons (technically 21). As to the mollies, I couldn't tell you what type.

 

Those are either molly's or female swordtails. That really really looks like a 20 gallon. I used to have one myself.. the tank looks a bit foggy. what typer of power filter is that?

 

their eyes are actually have that red color that is not from a flash...

 

penguin bio wheel 200
The water is actually clear at least i think maybe just the ugly wall behind it.
~~Thank you allot for the help everyone!!~~.

 

I agree with Mollies. Platties usally tend to be a bit shorter.
But then again there is a red velvet sword that has red eyes.

 

well after googling mollies and such im thinkin sum kinda sailfin Mollie~~?

 

I believe so. By the way the fat one is extremely pregnant. If you can get some frozen blood worms for her (and the other inhabitants but mainly for her and the breeding male) they will help keep her healthy. Pregnancy in fish is no different from humans in the nutrition diet. The mother needs a healthy, nutritious diet.

 

Awesome- Ive got frozen brine shrimp but they didn't seam to be all that interested or they were to big for one bite they kept trying and spiting em out. but i might try again. is far as blood worms all i have if freeze dried but i haven't tried em- i think i will...

 

I think one of my guppies is preggerz too.. she is Fat and vary out numbered ive got 2 females and 4 males