Eastern Madagascar Water Snake

Eastern Madagascar Water Snake

Thamnosophis epistibes

Silhouette: SeismicShrimp · PhyloPic

LCLeast ConcernNTVUENCR Endemic
Daily sighting probability ~40% · Likely
at Mantadia National Park

In 3 days ~70% in a week >90%

16 Verified sightings at Mantadia National Park From 2019 to 2026
16 In 1 park
October Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Mantadia National Park 🇲🇬 Madagascar
~40%

More parks will be added in future updates.

Closest Relatives at Mantadia National Park

No species of the same family or order lives in Mantadia National Park, so these are its closest relatives here: other reptiles.

Before you go

What are the chances of seeing an Eastern Madagascar Water Snake in Mantadia National Park?

Likely

About 40% of wildlife watchers report an Eastern Madagascar Water Snake sighting in Mantadia National Park on a given day, based on 16 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 7th most-seen of the 15 reptiles we can rate there. Over three days the chance rises to about 70%, and over a week to over 90%, if each day is a fresh chance.

When is the best time to see an Eastern Madagascar Water Snake in Mantadia National Park?

October and December

In those months about 50% of wildlife watchers report an Eastern Madagascar Water Snake in Mantadia National Park on a given day, against under 5% in January and June–August, the lowest months.

What time of day is best to see an Eastern Madagascar Water Snake?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most Eastern Madagascar Water Snake sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see an Eastern Madagascar Water Snake?

Only Mantadia National Park, in our data

Mantadia National Park is the only park on Wallace's Line with enough records to rate Eastern Madagascar Water Snake sightings: about 40% of wildlife watchers there report one on a given day.

Where does the Eastern Madagascar Water Snake sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Eastern Madagascar Water Snake is recorded against all the reptiles logged in Mantadia National Park (16 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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