Black File Snake

Black File Snake

Gracililima nyassae

Silhouette: SeismicShrimp · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at iSimangaliso Wetland Park
8 Verified sightings at iSimangaliso Wetland Park From 2019 to 2026
18 Verified sightings across all 3 parks From 2019 to 2026
December Best month highest sighting rate
🌙 Nocturnal When it's spotted during nighttime hours (6pm–6am)

About the Black File Snake

The black file snake (Gracililima nyassae), also known commonly as the dwarf file snake or the Nyassa file snake, is a species of snake in the subfamily Lamprophiinae of the family Lamprophiidae. The species is endemic to Africa.

Gracililima nyassae is the only species in the genus Gracililima. The species was previously placed in the genera Gonionotophis, Mehelya, and Simocephalus. The generic name, Gracililima is from Latin gracili- meaning "slender" + lima meaning "file". The specific name, nyassae, refers to the type locality, "Lake Nyassa" (= Lake Malawi).

G. nyassae is found in Botswana, Burundi, Democratic Republic of the Congo, Eswatini, Kenya, Malawi, Mozambique, Namibia, Rwanda, Somalia, South Africa, Tanzania, Zambia, and Zimbabwe. G. nyassae is a small snake. The female may attain a snout-to-vent length (SVL) of 52 cm (20 in). The male is shorter, around 44 cm (17 in) SVL. Dorsally it is dark brown or purplish brown, with pink skin showing between the scales. Unlike the Common File snake, this snake lacks the light dorsal stripe but has the characteristic triangular body, Ventrally it is black to dark... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 iSimangaliso Wetland Park 🇿🇦 South Africa
~10%
2 Kruger National Park 🇿🇦 South Africa
<5%
3 Gorongosa National Park 🇲🇿 Mozambique
Insufficient data

Quick answers

What are the chances of seeing a Black File Snake in iSimangaliso Wetland Park?

About 10% of wildlife watchers report a Black File Snake sighting in iSimangaliso Wetland Park, based on 8 verified sightings from GBIF citizen-science data.

When is the best time to see Black File Snake in iSimangaliso Wetland Park?

December has the highest sighting rate for Black File Snake in iSimangaliso Wetland Park in our monthly data.

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