• Feeds on insects.

The subtropical antechinus primarily consumes insects and other small animals, actively hunting and foraging for food; the species searches for prey at night among leaves and in the soil using a keen sense of smell, employing an active nocturnal search and capture strategy. Its diet consists of insects, spiders, small vertebrates, and tiny vertebrates, including beetles, flies, moths, mayflies, isopods, ribbon worms, snails, leaches, bedbugs, grasshoppers, dragonflies, and caddisflies. The daily food requirement ranges from 8 grams to 20 grams.