Aquarium rocks changing colors of oscars

Why does a poodle's fur change colors after she has licked her paws?

what only bird who can see the color blue? guess what...

In the Winter, he is white with very dark gray spots, in the summer, he's white with light brown spots, and sometime in betwe...

Both oscars are fairly small but one seems "depressed". It won't eat!

how do you take care of a pregnant oscar and its eggs?

Can a oscar fish lay its eggs in some sort of sac instead of laying them with out one?

I was wondering how long do the chicks keep the color that they are dyed? I seen were you use dye to dye the embryo. just won...

what is the rarest American Quarter Horse color?

I've read on different websites that oscars begin to recognize there owners and become friendly with them how long does this ...

My oscar who I have had awhile suddenly seems sick (I think) to look at him skin ect he is normal but just has not eaten for...