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IUCN Red List - Tarentola bocagei - Least Concern, LC

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Higher TaxaPhyllodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common Names 
SynonymTarentola bocagei VASCONCELOS, PERERA, GENIEZ, HARRIS & CARRANZA 2012: 340
Tarentola darwini JOGER 1984: 96 (part.) 
DistributionCape Verde archipelago (E S. Nicolau Island)

Type locality: S. Nicolau Island (Cape Verde), Carriçal oasis, in the eastern part of the island (16.555289°N, 24.082165°W, WGS84)  
Reproductionoviparous (manual and phylogenetic imputation, fide Zimin et al. 2022) 
TypesHolotype: MNHN-RA 2011.0201, male (given in original description erroneously as MNHH) 
DiagnosisDiagnosis: Medium-sized gecko (maximum SVL 65.5 mm, 58.2 mm on average; Table 1); eye/ear opening ratio averages 1.37; ear–eye/eye–snout dis- tance ratio averages 0.80. Ten to 13 supralabials; eight to ten infralabials; eight to ten enlarged lamellae under the 4th finger; 122–146 midbody scales (Joger, 1984b); slightly keeled rounded dorsal tubercles (Fig. 5A2) with 17–24 midbody longitudinal lines and 14–18 transverse rows; no enlarged tubercles between the eye and the ear opening. Dorsal parts grey or greyish with four to six trans- verse bands generally asymmetrical and frequently Y-shaped on the flanks (Figs6A2, 7A2), most of the dorsal tubercles darker than the ground colour while several other tubercles white, especially in subadults and young specimens, well-defined ver- tebral line without tubercles; pileus almost uniform contrasting with densely marked dorsum, two longitudinal light bands from snout to eye; labials and sides of the throat uniformly whitish or yellow- ish, without dark stains; eye iris blackish or dark brown.
It is characterized by the same general features as T. darwini (not presenting enlarged tubercles between the eye and ear opening and not strongly keeled dorsal tubercles), but in comparison with taxa from clade A3 and A4 by having, relative to SVL, a shorter trunk length (22.2 mm on average; Table 1), larger ear opening, base of the tail propor- tionally wider, distance between nostrils or snout tip and eye significantly shorter, higher average number of small scales between dorsal tubercles (2.1 versus 1.6 for both A3 and A4 lineages; Table 1), profile of the forehead more concave, ventral part more yellowish, and subdigital lamellae more grey than taxa from clade A3 and A4. In comparison with the strongly resembling Tarentola from clade C living on the same island, dorsal tubercles are less keeled and more rounded (Fig. 5), white tubercles are less numerous, not transversally aligned and usually placed on the flanks, and iris more uni- formly dark [VASCONCELOS et al. 2012]. 
CommentMORPHOBANK M43461–M43781, M55889-M55901

Abundance: only known from the type locality (Meiri et al. 2017). 
EtymologyThe species epithet is a genitive Latin noun to honour J. V. Barbosa du Bocage, one of the first naturalists to study the reptiles from the Cape Verde Islands. 
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Vasconcelos, R., A. Perera, P. Geniez, D. J. Harris, and S. Carranza. 2012. An integrative taxonomic revision of the Tarentola geckos (Squamata, Phyllodactylidae) of the Cape Verde Islands. Zoological Journal of the Linnean Society, 164 (2): 328-360 - get paper here
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
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