All I know is that they have to be goldfish, unless someone realy is sneaking fish in my tank!! he he he!! they are cute, and i cant wait to watch them grow up!:)
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All I know is that they have to be goldfish, unless someone realy is sneaking fish in my tank!! he he he!! they are cute, and i cant wait to watch them grow up!:)
I looked at the link that Chilli posted but I still think they are feeder (or "wild") guppies. If you can pull them up side by side, take a look at your pic and this pic (from Chilli's link). The mouths, gut, and tail fin are different on each animal.
I can't really see the smaller of your two fish but his body shape(s) look similar to these. And the larger one looks almost identical to this (very pregnant) female!
I think ya got a mystery on your hands!
That large fish is a guppy. I can't see the small one too close. I have two tanks of wild guppies and tons of goldies.