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Squamata · ScincidaeEntry 13,318 of 21,572
Somali Writhing Skink, Mochlus somalicus

Reptilia · Squamata

Mochlus somalicusParker, 1942

Somali Writhing Skink

Identification not confirmed. One observer recorded this animal as this species and no one has since agreed, so the photograph may show a different animal.

Photograph by Ewout Knoester, CC BY-SA, via iNaturalist

A burrowing, nocturnal skink from the Afrotropic region, reaching 85 mm snout to vent.

Once published as Lygosoma somalicum — those names reach this page.

ReptiliaSquamataScincidaeMochlus

Grows to
85mm
greatest recorded
Active
Nocturnal
Lives
Cryptic, fossorial
Weighs up to
12.77g
greatest
Body length across Scincidae

Longer than 64% of all skinks anyone has measured.

64% of 1,710 species are smaller36% larger
24 mmthe whole family, smallest to largest500 mm

The bar is the rank itself: its length is the share of the family this animal exceeds. The chart below is the family’s real spread, on a logarithmic scale because body length here runs from 24 to 500 mm. The solid rule is this animal. Every bar is a count of real species, and nothing on this figure is estimated.

What is known

23 sourced facts, each taken from a named scientific dataset. How to read these.

Cited from a dataset unless a row is marked otherwise.

Standing in the world

Still living
Extant
Conservation status
Least Concern
Status assessed · the year the Red List last looked
2014

The animal itself

Limbs
Four legs
Venomous
No
Fangs
None

Size

Length snout to vent · greatest recorded
85mm3.25 in

Shai Meiri, unpublished

Body mass · greatestcomputed
12.77g0.45 oz

computed from length by a family-level allometric equation, not weighed

Body mass · adult female, meanmeasured
4.57g0.16 oz

How it lives

Active
Nocturnal

hides by day, caught by pitfall overnight, Malonza and Bwong 2023

Where it lives
Cryptic, fossorial

cryptic (Spawls et al. 2018, Malonza and Bwong 2023), fossorial (Spawls et al. 2023)

Habitat
Forest, Savanna, Shrubland
Biome
Tropical & Subtropical Grasslands, Savannas & Shrublands
Region
Afrotropic
Mainland or island
Mainland
Elevation · above sea level
100–1700m

660-1650 (Spawls et al. 2023)

Naming and history

Suborder
Sauria
Infraorder
Scincoidea
Subspecies
No
Described by
Parker
Moved to another genus · since it was first described
Yes
Described in
1942
Type locality
Somalia

Keeping one

13.5 in × 13.5 in × 8.5 in(34 × 34 × 21 cm)

Minimum length × width × height, for one animal. Bigger is always better. Substrate at least 1.75 in (4 cm) deep.

The standard sizes ground-dwelling species at 4 × 4 × 2.5 times snout-vent length.

Burrows, so substrate deep enough to dig in matters as much as floor area.

Mindestanforderungen an die Haltung von Reptilien (Sachverständigengutachten), German Federal Ministry for Nutrition, Agriculture and Forestry, Animal Welfare Division, 10 January 1997. The standard states these floor areas are recommendations rather than binding limits.

From this animal’s own snout-vent length of 3.25 in (85 mm), at 4 × 4 × 2.5 times it, following the German federal welfare standard — how this is worked out.

No preferred body temperature has been recorded for Somali Writhing Skink. Rather than repeat a number from a care sheet, this page leaves it out.

Feeding

2kJ per day

Worked out for an animal of 13 g, the heaviest recorded for Somali Writhing Skink — so it is the top of the range, not a figure for a particular animal. Weigh yours and the number will be lower.

An upper estimate, not a feeding target, and not veterinary advice. The equation covers only what an animal burns staying alive, so a growing, gravid or recovering animal needs more — and it was measured on wild animals, which move far more than one in an enclosure. Body condition and a vet who knows the species are what a feeding decision should rest on. Where this comes from.

What nobody knows

These are not gaps in our research. No scientific dataset records them for this species — and saying so is information you cannot get from a reference that simply leaves a field out.

  • Length snout to vent · adult female mean
  • Length snout to vent · adult male mean
  • Length snout to vent · adult mean
  • Length nose to tail · greatest recorded
  • Female length · mean, nose to tail
  • Length nose to tail · adult male mean
  • Length nose to tail · adult mean
  • Largest female · snout to vent
  • Largest male · snout to vent
  • Largest female · shell length
  • Largest male · shell length
  • Hatchling length · snout to vent
  • Hatchling length · nose to tail
  • Largest juvenile · snout to vent
  • Largest juvenile · shell length
  • Egg length
  • Egg width
  • Body mass · a typical adult
  • Body mass at hatching
  • Longest recorded life
  • Preferred body temperature · chosen in a laboratory gradient
  • Body temperature when active · measured in the wild
  • Diet
  • Eats arthropods
  • Eats vertebrates
  • Eats plant matter
  • How it hunts
  • Reproduction
  • How the young develop
  • Gestation or incubation
  • Average clutch
  • Smallest clutch recorded
  • Largest clutch recorded
  • Mean clutch · smallest reported
  • Mean clutch · largest reported
  • Clutches in a year
  • Clutches a year · fewest
  • Clutches a year · most
  • First breeds from · youngest recorded
  • First breeds by · oldest recorded
  • Hatchling length · smallest recorded
  • Hatchling length · largest recorded
  • Age at first breeding · female
  • Mature from · youngest recorded
  • Mature by · oldest recorded
  • Size at maturity · smallest recorded
  • Size at maturity · largest recorded
  • Body temp in the wild · lowest mean recorded
  • Body temp in the wild · highest mean recorded
  • Colour on the back
  • Pattern on the back
  • Pupil
  • Sex decided by
  • Population trend
  • Red List criteria
  • Active season · shortest recorded
  • Active season · longest recorded
  • Density · lowest recorded
  • Density · highest recorded
  • Home range · largest recorded
  • Active in
  • Range size

Others in Scincidae

Take this data

Everything on this page is available as data under CC BY 4.0 — use it freely, credit it, no permission needed.

This species as JSON · the whole dataset

Cite this page

The Reptile & Amphibian Encyclopedia (2026). Mochlus somalicus. Retrieved 2026-09-08, from https://www.allanglescreatures.com/species/mochlus-somalicus

@misc{mochlus_somalicus_2026,
  title  = {Mochlus somalicus},
  author = {{The Reptile & Amphibian Encyclopedia}},
  year   = {2026},
  url    = {https://www.allanglescreatures.com/species/mochlus-somalicus}
}

Sources

  1. Meiri, S. (2024). SquamBase — a database of squamate (Reptilia: Squamata) traits. Global Ecology and Biogeography. Public domain (CC0).
  2. Catalogue of Life (dataset 3LR), used under CC BY.
  3. Oskyrko, O. et al. (2024). ReptTraits: a comprehensive dataset of ecological traits in reptiles. Scientific Data. Used under CC BY 4.0.