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Bronze cories are also know as aeneus cories. They get about 2.5"-3" long and are one of the more common cories. Like all cories, they school and do best in groups of 6 or more.
Cories shouldn't be in with African fish or in your case the African fish shouldn't be in with the rest. They appreciate quite different water conditions. Clown loaches get large if not stunted and should be in a larger tank soon.