Formosa Slug Snake

Formosa Slug Snake

Pareas formosensis

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
40–50% · Likely
overall probability at Cuc Phuong National Park

Closest Relatives at Cuc Phuong National Park

White-spotted slug snake
LC

White-spotted slug snake

Reptile

Pareas margaritophorus

Insufficient data

📅 Monthly Probability

40–50
Jan
10–20
Feb
40–50
Mar
40–50
Apr
50–60
May
40–50
Jun
10–20
Jul
60–70
Aug
20–30
Sep
10–20
Oct
50–60
Nov
10–20
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Ba Be National Park 🇻🇳 Vietnam
50–60%
2 Cuc Phuong National Park 🇻🇳 Vietnam
40–50%

Quick answers

What are the chances of seeing a Formosa Slug Snake in Cuc Phuong National Park?

About 41% of visitor-days record a Formosa Slug Snake sighting in Cuc Phuong National Park, based on 13 observer-days of citizen-science data from GBIF.

When is the best time to see Formosa Slug Snake in Cuc Phuong National Park?

August has the highest sighting rate for Formosa Slug Snake in Cuc Phuong National Park in our monthly data.

← Back to Cuc Phuong National Park