Rhoptropus nivimontanus PARRINHA, MARQUES, TIUTENKO, HEINICKE, BAUER & CERÍACO, 2025
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Rhoptropus nivimontanus
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| Higher Taxa | Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) |
| Subspecies | |
| Common Names | |
| Synonym | Rhoptropus nivimontanus PARRINHA, MARQUES, TIUTENKO, HEINICKE, BAUER & CERÍACO 2025 Rhoptropus aff. montanus — MARQUES et al. 2024: 189 |
| Distribution | SW Angola (Namibe) Type locality: near Catchi village, Serra da Neve [-13.7618°, 13.2514°, 1614 m], Namibe Province, Angola. |
| Reproduction | |
| Types | Holotype. MUHNAC/MB03-1706 (field number LMPC 3120), an adult male collected by Mariana P. Marques, Luis M.P. Ceríaco, Diogo Parrinha and Arthur Tiutenko, on 27 October 2022. Paratypes. An adult female (MUHNAC/MB03-1707, field number LMPC 3121) and a juvenile (MUHNAC/ MB03-1708, field number LMPC 3145), with the same collecting data as the holotype. |
| Diagnosis | Diagnosis: A medium sized Rhoptropus with a maximum SVL of 55 mm (MUHNAC/MB03-1707), body stout, partly regenerated tail about the same length as SVL (Figs. 4, 5). Head wide, with rounded snout. Nasal swellings separated by 2 INS; SL 9–11; IL 8. A well-defined row of enlarged chin shields behind infralabials. Dorsal scales irregularly granular, 62–65 across midbody. Precloacal scales slightly enlarged, bearing 7 pores in males. Digits relatively stout, with 16–18 subdigital scales and lamellae under fourth finger (8–10 SF4 + 8 LF4) and 19 under fourth toe (10–11 ST4 + 8–9 LT4). Tail distinctly segmented, wider at the base and smoothly tapering. Subcaudals transversely enlarged, disposed in a single row with three scales per tail segment. Dorsum greenish blue with a somewhat irregular, yellowish green pattern covering top of head, becoming darker and more reticulated from shoulders to base of tail, interspersed with scattered black speckles; ventral parts light blue. Rhoptropus nivimontanus sp. nov. differs from all its congeners in its blue and green coloration without any reddish pattern, pale or black spots on dorsum (versus dorsum pale brown to black with reddish or black pattern in other species). It further differs from R. boultoni by having fewer dorsal scales across midbody (62–65 versus 74–87); 2 internasal scales (versus 1), and fewer subdigital scales and lamellae under fourth finger (16–18 versus 18–23) and fourth toe (19–20 versus 20–27); from R. benguellensis by having a blue ventrum (versus creamy white) and 2 internasal scales (versus 1); and from its sister species, R. montanus, by having more dorsal scales across midbody (62–65 versus 54–61). The male also has more precloacal pores than males of R. montanus (7 vs. 5–6). (Parrinha et al. 2025) Additional details (5198 characters) are available for collaborators and contributors. Please contact us for details. |
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