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Carlia aramia ZUG, 2004

IUCN Red List - Carlia aramia - Least Concern, LC

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Higher TaxaScincidae, Eugongylinae (Eugongylini), Scincoidea, Sauria, Squamata (lizards)
Common Names 
SynonymCarlia aramia ZUG 2004: 54 
DistributionPapua New Guinea (from Bamu River to Morehead River and upper reaches of Fly River).

Type locality: Papua New Guinea, Western Province, vicinity of Balimo.  
TypesHolotype: USNM 232024 
DiagnosisDescription. A moderate-sized Carlia ranging in adult size from 43 to 58 mm SVL (females 43.1–57.1; males 42.7–58.0) with HeadL 20–25%, TrunkL 40–54%, and HndlL 38–54% of SVL, and 75–133% PalpbD of EarD. Some populations sexually dimorphic in one or more of the following traits: HeadL, PalpbD, TrunkL, HndlL, HeadL/SVL, TrunkL/SVL, HndlL/SVL, TrunkL/HndlL, AuricN, Dorsal, Midbody, 3FingL, and 4ToeL. Head and nuchal scales smooth; interparietal rarely absent; 4 (rarely 5) Supoc, 7–10 Supcil, 8–14 Eyeld, 7 (rarely 6 or 8) Suplab, 5th (rarely 4th) BlwEye, and 6 (rarely 7 or 8) Inflab on each side. Ear opening oblong vertical to oblique with 0–7 AuricN, usually bluntly pointed, on anterior and dorsal margin. Trunk scales smooth to weakly tricarinate dorsally and laterally: 43–52 Dorsal, 30–37 Midbody. Subdigital lamellae undivided, smooth: 17–26 3FingL, 23–34 4ToeL.
Juvenile dorsum from brown with flecking to indistinctly pulla-striped or dark lines, dorsolateral white stripe absent or from above eye to midtrunk, midlateral white stripe from eye usually to inguen, and dark brown lateral band; venter cream to ivory. Adults monomorphic to dimorphic; dorsum and sides brown with some dark flecks or females retaining faded lateral light striping to various degrees; venter cream to ivory, occasionally slightly dusky.

Comparison to related species. Carlia aramia populations differ from those of the larger bodied C. beccarii, C. eothen and C. luctuosa, and the smaller bodied C. leucotaenia by adult females averaging 46 to 53 mm SVL; size is variable in adults with females and males equal-sized in some populations and males larger than females in others. C. aramia populations share: an average of 32 to 34 Midbody with all other fusca complex species except C. luctuosa; an average of 19 to 22 3FingL with all except C. beccarii; and an average of 26 to 31 4ToeL with all except C. beccarii, C. longipes, and C. luctuosa. Unlike juvenile C. aenigma, C. ailanpalai, C. babarensis, C. beccarii, C. fusca, C. longipes and C. luctuosa, juvenile C. aramia have a dorsolateral light stripe from eye to inguen; and unlike all fusca complex members except C. leucotaenia and C. tutela, the midlateral light stripe of juvenile C. aramia extends from eye to inguen, occasionally the stripe on trunk is a series of spots. Adult C. aramia females commonly retain the striped pattern, typically faded, and in a few populations, stripes are evident only on neck; some populations of C. mysi share a similar adult pattern. Ventral coloration of adult C. aramia is variable: some populations are totally white/light ventrally; others are dusky ventrally; and a few populations are mixed. 
EtymologyNamed after the type locality, the Aramia River area. 
  • Dolman, Gaynor & Andrew F. Hugall 2008. Combined mitochondrial and nuclear data enhance resolution of a rapid radiation of Australian rainbow skinks (Scincidae: Carlia). Molecular Phylogenetics and Evolution 49 (3): 782-794 - get paper here
  • Goldberg, S. R. 2020. Carlia aramia. Reproduction. Herpetological Review 51: 122-123. - get paper here
  • Zug,G. R. 2004. Systematics of the Carlia “fusca” lizards (Squamata: Scincidae) of New Guinea and Nearby Islands. Bishop Mus. Bull. Zool. 5: 1-83
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