Corydoras semiaquilus

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What Wikipedia says

Corydoras semiaquilus, the Peru black cory, is a species of freshwater ray-finned fish belonging to the subfamily Corydoradinae, the corys, of the family Callichthyidae, the armoured catfishes. It is endemic to the Amazon Basin in South America.

Excerpt from the Wikipedia article “Corydoras semiaquilus”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Stan Shebs, CC BY-SA 3.0, via Wikimedia Commons.