A Long-nosed cusimanse's diet is made up of larvae, small reptiles, berries, fruits and crabs. Foraging, they can come together in sets of up to 20 members. The Long-nosed cusimanse digs in leaves and using the snout, they can move wood. In a way, they are intelligent, for they can crack crab shells against stones.
The long-nosed cusimanse is a sociable creature, they can be found grouped together with up to 24 individuals. One to three families make up their group, each family is made up of a couple plus the newborns. They are in constant movement, not staying at a single place for long periods.
When domesticated, if a female is not mated, she could go into heat up to 9 times annually. In the wild, though, they can produce only two to three litters annually.
The Common cusimanse, cusimanse, long-nosed cusimanse is listed as Least Concern (LR/lc), lowest risk. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category, on the IUCN Red List of Threatened Species