Luis's Yellow-shouldered Bat may have yellow, orange, or red patches on its shoulders. It is nocturnal and is expected to feed mainly on fruit.
Its short dorsal fur is velvety and usually pale brown. Shoulder patches may be yellow, orange, or dark red, and are most noticeable in adult males.
It is nocturnal. The account expects it to feed mainly on fruit, including fruits of Solanum and Piper plants. Its reproductive ecology remains poorly understood, partly because it can be confused with similar species.
An extinction-risk assessment has not been added yet.