(Information from "A Checklist of the Amphibians and Reptiles of Malolotja Nature Reserve", by Richard C. Boycott, 1993.)

Gekkonidae (geckos)

   Afroedura pondolia major Onderstall, 1984
   (Swazi thick-tailed rock gecko)
   Swaziland Red Data Status: Near Threatened
   Southern African Red Data Status: Not listed
   International Red Data Status: Not listed
      Rocky ridges and slopes
      Cliff faces

   Lygodactylus capensis capensis (Smith, 1849)
   (Common dwarf gecko)
      Riverine forest
      Valley bushveld

   Lygodactylus ocellatus  Roux, 1907
   (Spotted dwarf gecko)
      Rocky ridges and slopes

   Homopholis wahlbergii  (Smith, 1849)
   (Wahlberg's velvety gecko)
      Rocky ridges and slopes
      Valley bushveld

   Pachydactylus maculatus maculatus Gray, 1845
   (Spotted gecko)
      Open grassland
      Rocky ridges and slopes
      Valley bushveld

Varanidae (monitor lizards)

   Varanus exanthematicus albigularis (Daudin, 1802)
   (White-throated monitor)
   (SiSwati: imbhulu)
      Rocky ridges and slopes

   Varanus niloticus niloticus (Linnaeus, 1762)
   (Nile monitor)
   (SiSwati: Quamu)
      Larger rivers

Chamaeleonidae (chameleons)

   Chamaeleo dilepis dilepis Leach, 1819
   (Flap-necked chameleon)
   (SiSwati: lunwabu)
      Riverine forest
      Moist indigenous forest
      Woodland
      Valley bushveld

   Bradypodion transvaalense  (FitzSimons, 1930)
   (Dwarf chameleon)
      Moist indigenous forest
      Alien forest

Agamidae (agamas)

   Agama atricollis  Smith, 1849
   (Tree agama)
   (SiSwati: holoholo)
      Woodland
      Valley bushveld

   Agama aculeata distanti Boulenger, 1902
   (Distant's spiny agama)
      Open grassland
      Rocky ridges and slopes

Lacertidae (lacertids)

   Nucras lalandii  (Milne-Edwards, 1829)
   (Delalande's sandveld lizard)
   Swaziland Red Data Status: Near Threatened
   Southern African Red Data Status: Not listed
   International Red Data Status: Not listed
      Open grassland
      Rocky ridges and slopes

Scincidae (skinks)

   Scelotes mira  (Roux, 1907)
   (Montane burrowing skink)
      Open grassland
      Rocky ridges and slopes

   Mabuya quinquetaeniata margaritifer (Peters, 1854)
   (Rainbow rock skink)
      Rocky ridges and slopes
      Woodland
      Valley bushveld
      Cliff faces

   Mabuya capensis  (Gray, 1830)
   (Cape skink)
      Open grassland

   Mabuya varia  (Peters, 1867)
   (Variable skink)
      Open grassland
      Rocky ridges and slopes
      Larger rivers
      Valley bushveld

   Mabuya striata striata (Peters, 1844)
   (Common striped skink)
      Valley bushveld

   Mabuya striata punctatissima (Smith, 1849)
   (Highveld striped skink)
      Rocky ridges and slopes
      Buildings

   Panaspis wahlbergii  (Smith, 1849)
   (Wahlberg's dwarf skink)
      Open grassland
      Rocky ridges and slopes
      Valley bushveld

   Acontias plumbeus  Bianconi, 1849
   (Giant legless skink)
      Open grassland
      Rocky ridges and slopes

Cordylidae (girdled and crag lizards)

   Gerrhosaurus flavigularis flavigularis Wiegmann, 1828
   (Yellow-throated plated lizard)
      Open grassland
      Rocky ridges and slopes
      Valley bushveld

   Gerrhosaurus major major Dumeril, 1851
   (Rough-scaled plated lizard)
      Valley bushveld

   Chamaesaura aenea (Wiegmann) Fitzinger, 1843
   (Transvaal grass lizard)
   Swaziland Red Data Status: Near Threatened
   Southern African Red Data Status: Not listed
   International Red Data Status: Not listed
      Open grassland
      Rocky ridges and slopes

   Chamaesaura anguina anguina (Linnaeus, 1758)
   (Cape grass lizard)
   Swaziland Red Data Status: Near Threatened
   Southern African Red Data Status: Not listed
   International Red Data Status: Not listed
      Open grassland
      Rocky ridges and slopes
      Seepage zones

   Chamaesaura macrolepis macrolepis (Cope, 1862)

   Cordylus warreni barbertonensis (van Dam, 1921)
   (Barberton girdled lizard)
   (SiSwati: chakazane)
      Valley bushveld

   Cordylus vittifer vittifer (Reichenow, 1887)
   (Transvaal girdled lizard)
   (SiSwati: chakazane)
      Rocky ridges and slopes

Typhlopidae (blind snakes)

   Typhlops bibronii  (Smith, 1846)
   (Bibron's blind snake)
      Open grassland
      Rocky ridges and slopes

Leptotyphlopidae (worm snakes)

   Leptotyphlops conjunctus conjunctus (Jan, 1861)
   (Cape worm snake)
   (SiSwati: umtfwana wenyoka lengaboni)
      Open grassland
      Rocky ridges and slopes
      Woodland

Boidae (pythons and boas)

   Python sebae natalensis Smith, 1840
   (Southern African python)
   (SiSwati: inhlatfu)
   Swaziland Red Data Status: Vulnerable
   Southern African Red Data Status: Vulnerable
   International Red Data Status: Not listed
      Riverine forest
      Valley bushveld

Colubridae (typical snakes)

   Lycodonomorphus laevissimus fitzsimonsi Raw, 1973
   (Northern dusky-bellied water snake)
      Vlei systems
      Dams (man-made)

   Lycodonomorphus rufulus  (Lichtenstein, 1823)
   (Common brown water snake)
      Vlei systems
      Swift-flowing streams
      Dams (man-made)

   Lamprophis inornatus  Dumeril and Bibron, 1854
   (Olive house snake)
      Open grassland
      Rocky ridges and slopes
      Alien forest

   Lamprophis guttatus  (Smith, 1843)
   (Spotted house snake)
      Rocky ridges and slopes
      Cliff faces

   Lamprophis fuliginosus  (Boie, 1827)
   (Brown house snake)
      Rocky ridges and slopes
      Woodland
      Valley bushveld

   Lamprophis swazicus  Schaefer, 1970
   (Swazi rock snake)
   Swaziland Red Data Status: Data Deficient
   Southern African Red Data Status: Rare
   International Red Data Status: Near Threatened
      Rocky ridges and slopes

   Lycophidion capense capense (Smith, 1831)
   (Cape wolf snake)
      Rocky ridges and slopes
      Woodland
      Valley bushveld

   Duberria lutrix lutrix (Linnaeus, 1758)
   (Southern slug-eater)
      Open grassland
      Rocky ridges and slopes
      Alien forest

   Pseudaspis cana  (Linnaeus, 1754)
   (Mole snake)
   (SiSwati: umdlume)
      Open grassland
      Rocky ridges and slopes
      Alien forest
      Valley bushveld

   Psammophylax rhombeatus rhombeatus (Linnaeus, 1754)
   (Rhombic skaapsteker)
      Open grassland
      Rocky ridges and slopes

   Psammophis sibilans brevirostris Peters, 1881
   (Short-snouted grass snake)
      Open grassland
      Rocky ridges and slopes
      Woodland
      Valley bushveld

   Psammophis phillipsii  (Hallowell, 1844)
   (Olive grass snake)
      Open grassland
      Rocky ridges and slopes
      Woodland
      Valley bushveld

   Psammophis crucifer  (Daudin, 1803)
   (Cross-marked grass snake)
      Open grassland
      Rocky ridges and slopes

   Aparallactus capensis  (Smith, 1849)
   (Cape centipede-eater)
      Open grassland
      Rocky ridges and slopes

   Homoroselaps lacteus  (Linnaeus, 1754)
   (Spotted harlequin snake)
      Open grassland
      Rocky ridges and slopes

   Atractaspis bibronii  Smith, 1849
   (Bibron's burrowing asp)
      Open grassland
      Rocky ridges and slopes

   Philothamnus hoplogaster  (Gunther, 1863)
   (Green water snake)
      Dams (man-made)

   Philothamnus natalensis occidentalis Broadley, 1966
   (Western Natal green snake)
      Dams (man-made)
      Larger rivers

   Philothamnus semivariegatus semivariegatus (Smith, 1840)
   (Spotted bush snake)
      Rocky ridges and slopes
      Woodland
      Valley bushveld

   Crotaphopeltis hotamboeia  (Laurenti, 1768)
   (Herald snake)
      Open grassland
      Rocky ridges and slopes
      Valley bushveld

   Dispholidus typus typus (Smith, 1829)
   (Boomslang)
      Open grassland
      Riverine forest
      Alien forest
      Valley bushveld

   Thelotornis capensis capensis Smith, 1849
   (Southern vine snake)
      Rocky ridges and slopes
      Woodland
      Valley bushveld

   Dasypeltis scabra  (Linnaeus, 1758)
   (Rhombic egg-eater)
      Open grassland
      Rocky ridges and slopes
      Valley bushveld

Elapidae (cobras and mambas)

   Hemachatus haemachatus  (Lacepede, 1788)
   (Rinkhals)
   (SiSwati: phemphetwane)
      Open grassland
      Rocky ridges and slopes

   Naja mossambica  Peters, 1854
   (Mozambique spitting cobra)
   (SiSwati: imfeti)
      Riverine forest
      Woodland
      Valley bushveld

   Dendroaspis polylepis  Gunther, 1864
   (Black mamba)
   (SiSwati: imamba)
      Valley bushveld

Viperidae (adders)

   Causus rhombeatus  (Lichtenstein, 1823)
   (Rhombic night adder)
      Open grassland
      Rocky ridges and slopes
      Valley bushveld

   Bitis atropos  (Linnaeus, 1754)
   (Berg adder)
      Rocky ridges and slopes

   Bitis arietans arietans (Merrem, 1820)
   (Puff adder)
   (SiSwati: libululu)
      Open grassland
      Rocky ridges and slopes
      Valley bushveld

Pelomedusidae (terrapins)

   Pelusios sinuatus  (Smith, 1838)
   (Serrated hinged terrapin)