This Sulawesi rat was recorded twice in degraded forest during a survey on Mount Bawakaraeng. These local records do not establish its habitat preference across the species' range.
A 2013 comparative treatment describes Taeromys rats as relatively large, with short, soft, dense fur and tails dark near the base but white toward the tip.
A survey on Mount Bawakaraeng captured two T. hamatus in degraded forest. The authors recorded this species only in forest habitats in that survey, but the sample was small.
An extinction-risk assessment has not been added yet.