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Squamata · ScincidaeEntry 20,350 of 21,572
Senegal Mabuya, Trachylepis affinis

Reptilia · Squamata

Trachylepis affinisGray, 1839

Senegal Mabuya

Photograph by Julien Renoult, CC BY, via iNaturalist

A day-active, meat-eating skink from the Afrotropic region, reaching 83 mm snout to vent.

Once published as Mabuia raddonii, Mabuya affinis, Mabuya blandingii — those names reach this page.

ReptiliaSquamataScincidaeTrachylepis

Grows to
83mm
greatest recorded
Eats
Carnivorous
Active
Diurnal
Lives
Arboreal, saxicolous, terrestrial
Body length across Scincidae

Longer than 62% of all skinks anyone has measured.

62% of 1,710 species are smaller38% 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

37 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
2012
Population trend
Stable

The animal itself

Limbs
Four legs
Venomous
No
Fangs
None
Preferred body temperature · chosen in a laboratory gradientmeasured
33.4°C

Size

Length snout to vent · greatest recorded
83mm3.25 in

max 83 mm SVL (Feldman et al. 2016)

Length snout to vent · adult female mean
63.6mm2.5 in
Largest female · snout to vent
63.6mm2.5 in

snout-vent length; the source column mixes this with straight carapace length

Hatchling length · snout to vent
23.5mm0.9 in
Largest juvenile · snout to vent
23.5mm0.9 in
Body mass · greatestcomputed
11.85g0.42 oz

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

How it lives

Diet
Carnivorous

Insects and a few plants and gekkos (Akani et al. 2002) / arthropods (Pauwels and Vande weghe 2008, Ceriaco et al. 2016), Arthropods, few gastropods and Panaspis kitsoni (Barbault 1974, table 12), frogs (Loveridge 1938)

Active
Diurnal

e.g., Segniagbeto et al. 2015, Spawls et al. 2023

Where it lives
Arboreal, saxicolous, terrestrial

Leaf Litter and Arboreal (eg., Ullenbruch et al. 2010)/ strictly saxicolous (Chirio 2009) / leaf litter (Scott 1982), arboreal (Foster et al. 2018)/terrestrial, can climb, sleeps in trees (Spawls et al. 2023)

Habitat
Forest, Savanna, Wetlands
Biome
Tropical & Subtropical Grasslands, Savannas & Shrublands
Active season · months of the year
12months
Region
Afrotropic
Mainland or island
Mainland
Highest it lives · above sea level
1300m

0-1200 (Portik et al. 2016), 0-1300 (Spawls et al. 2023)

Range size
5,568,418km²

Breeding

Reproduction
Oviparous

e.g., Spawls et al. 2023

Average clutch
2.72eggs
Eggs or young per clutch
2–5eggs

2-4, 2.74 mean Barbault 1974; 2-5 (e.g., Spawls et al. 2023)

Mean clutch
2.7–2.74eggs
Clutches a year
7–8per year
First breeds at
5–8months

Naming and history

Suborder
Sauria
Infraorder
Scincoidea
Subspecies
No
Described by
Gray
Moved to another genus · since it was first described
Yes
Described in
1839
Type locality
Liberia

Keeping one

13 in × 13 in × 13 in(33 × 33 × 33 cm)

Minimum length × width × height, for one animal. Bigger is always better.

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

Recorded both on the ground and climbing, so this is the larger of the two rules in every dimension.

Lives on rock, so stable hard surfaces and basking ledges suit it.

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 (83 mm), at 4 × 4 × 4 times it, following the German federal welfare standard — how this is worked out.

In a laboratory thermal gradient this species settled at 92 °F (33.4 °C).

Preferred body temperature, recorded in a laboratory gradient where the animal could choose freely. A measurement of the animal, not a setting for a thermostat.

Feeding

A prey item should be no wider than the space between the animal's eyes.

Widely used across reptile husbandry references. The stated reason is that the gap approximates the width of the throat, so wider prey is associated with impaction. This is established practice, not a measurement.

2kJ per day

Worked out for an animal of 12 g, the heaviest recorded for Senegal Mabuya — 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 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 male · snout to vent
  • Largest female · shell length
  • Largest male · shell length
  • Hatchling length · nose to tail
  • Largest juvenile · shell length
  • Egg length
  • Egg width
  • Body mass · a typical adult
  • Body mass · adult female, mean
  • Body mass at hatching
  • Longest recorded life
  • Body temperature when active · measured in the wild
  • Eats arthropods
  • Eats vertebrates
  • Eats plant matter
  • How it hunts
  • How the young develop
  • Gestation or incubation
  • Clutches in a year
  • 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
  • Red List criteria
  • Density · lowest recorded
  • Density · highest recorded
  • Home range · largest recorded
  • Active in
  • Lowest it lives · above sea level

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). Trachylepis affinis. Retrieved 2026-09-08, from https://www.allanglescreatures.com/species/trachylepis-affinis

@misc{trachylepis_affinis_2026,
  title  = {Trachylepis affinis},
  author = {{The Reptile & Amphibian Encyclopedia}},
  year   = {2026},
  url    = {https://www.allanglescreatures.com/species/trachylepis-affinis}
}

Sources

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