Please help solve this mystery
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I adopted two corys and I was told they were melanistius but I believe they may be leucomas. (one in first photo) I am looking for more. A local pets store was able to order in "spotted corys" with no Latin name. I received photos of what came in. (2nd and 3rd photos)
I am thinking they are Ambiacus but I'm not sure. Can you please identify the two types of corys.
My biggest question is will they shoal together since they look almost identical? My pair needs friends.