Fat Or Egg Bound?

I thought I had pairs, but now I am thinking that I may have all females. I just can't tell males from females on corys no matter how hard I try.
Any way they are getting so fat that they look like they are going to burst. I have 3 that have been really big for about a month now, but no eggs or anything.
Should I be worried? Should I do something or leave them alone?
Is there a way for me to tell for sure what the sex is? I have looked at the shape, but they all look alike to me. I need to know if I need to get more and what sex I need to get to allow them to pair up. I want them to be happy.
Any help would be greatly appreciated.
Thanks alot!!!

What kind the cory do you have? Usually male is smaller than female and from the top view female is wider.

First picture Left male , Right female
Second picture Lefe female, Right male

PC1963 said:

What kind the cory do you have? Usually male is smaller than female and from the top view female is wider.

First picture Left male , Right female
Second picture Lefe female, Right male

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I have 2 bronze, 2 albino, and 2 peppered. They all started out smaller like the male then started getting bigger. Now the two bronze and one of the peppered are huge! The others are getting larger just not as fast as those 3. They are all spreading out and getting big though.
To me They look the same one is just fatter. Will males get as fat as the females in those pics? I do feed pretty well. lol
I just want to be sure I don't just have really fat males instead of females before I go buying males to add for them.

The male remain much smaller size than famale no matter how much you feed them. If you can get the pictures of your cories that will helping to pinpoint which male of female.

ICEEGRL said:

I have 2 bronze, 2 albino, and 2 peppered. They all started out smaller like the male then started getting bigger. Now the two bronze and one of the peppered are huge! The others are getting larger just not as fast as those 3. They are all spreading out and getting big though.
To me They look the same one is just fatter. Will males get as fat as the females in those pics? I do feed pretty well. lol
I just want to be sure I don't just have really fat males instead of females before I go buying males to add for them.

Click to expand...

I woulda just got 6 of the one species !

There are no pet shops anywhere near me. My only choice for getting fish was Wal-Mart. (I know!) The thing is I wanted fish and they had them. I had to get what I could that looked healthy. I tried getting to a real pet shop, but by the time they came back 2 hours in a bag they died too.
I have found a shop now that will bag them right so I can get them home alive. It is still almost an all day deal to go though so I don't get to go often. They even told me they would order fish for me if I gave them 2 weeks notice before I made the trip.
I will try to get pics as soon as I can. It is 12:30am here now so I am going to have to get to bed soon. I have to get up at 6:00 to take my son to National Guard Youth interview. He is trying to get into one of their programs.
I have to do water changes when we get back so I will try to get pics then. I need to take pics anyway. I am planning complete redo for 2 of the tanks and want to get advice.
Thanks

I got one question when i stare at my females i could see egg like things at the belly as it is a little translucent.Are those eggs?