CR

Fassifern Blind Snake

Anilios insperatus

UnknownCRAU

Overview

Anilios insperatus is a small, burrowing snake belonging to the family Typhlopidae, the blind snakes, so named for their vestigial eyes, which are visible only as darkened spots beneath translucent head scales. Like other members of its genus, it has a cylindrical body, smooth glossy scales, and a blunt head and tail that make the two ends difficult to distinguish. It spends most of its life underground or beneath surface debris, feeding primarily on the eggs, larvae, and adults of ants and termites.

Through this diet it likely contributes to the regulation of soil-dwelling invertebrate populations and may play a minor role in soil aeration through its burrowing activity.

The species is known only from the Fassifern district and surrounding areas of southeastern Queensland, Australia. It occupies forested habitats, including areas with modified or artificial terrestrial cover, where it shelters under logs, leaf litter, and soil.

Its very restricted range makes it highly vulnerable to habitat loss. Ongoing clearing for housing and urban development is reducing available habitat, while logging and wood harvesting remove ground cover and disturb the leaf litter and soil layers on which it depends. Fire and fire suppression practices alter the vegetation structure and moisture conditions of its habitat, and invasive species, potentially including predatory ants and introduced predators, add further pressure on an already small population.

Population size and trend data remain unknown, reflecting the difficulty of surveying a cryptic, fossorial species. No targeted conservation programs specific to this species have been widely documented, though it may benefit incidentally from broader habitat protection measures in Queensland. Given its narrow range and multiple concurrent threats, its long-term outlook remains precarious without dedicated habitat protection and monitoring.

The Fassifern Blind Snake faces ongoing habitat loss as land is cleared for housing and urban development, along with logging and timber harvesting that disturb the soil and leaf litter it relies on. It's also threatened by invasive species that may prey on it or compete for food, as well as fire and fire management practices that can destroy its underground habitat. These threats appear to be ongoing and stable rather than clearly increasing or decreasing.

Threat summary

Habitat

Forest· majorArtificial - Terrestrial· major

Conservation measures underway

Species recoveryLegislation

Frequently asked questions

Why is Fassifern Blind Snake classified as Critically Endangered?
Fassifern Blind Snake is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. The Fassifern Blind Snake faces ongoing habitat loss as land is cleared for housing and urban development, along with logging and timber harvesting that disturb the soil and leaf litter it relies on. It's also threatened by invasive species that may prey on it or compete for food, as well as fire and fire management practices that can destroy its underground habitat. These threats appear to be ongoing and stable rather than clearly increasing or decreasing.
Where does Fassifern Blind Snake live?
Fassifern Blind Snake occurs in Australia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Fassifern Blind Snake?
The main threats to Fassifern Blind Snake are 1.1, 5.3, 7.1, and 8.1. The full IUCN-classified threat record for this species is detailed on the species page.

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