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Blaesodactylus ambonihazo BAUER, GLAW, GEHRING & VENCES, 2011

IUCN Red List - Blaesodactylus ambonihazo - Data Deficient, DD

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common Names 
SynonymBlaesodactylus ambonihazo BAUER, GLAW, GEHRING & VENCES 2011
Blaesodactylus ambonihazo — INEICH et al. 2016 
DistributionNW Madagascar (Mahajanga)

Type locality: Ankarafantsika National Park (Ampijoroa), Mahajanga Province, northwestern Madagascar (16°18’S, 46°49’E, 173 m above sea level),  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: ZSM 469/2001 (field number MV 2001-340), adult male (Fig. 2A); collected by M. Vences, D. Vieites, G. García, V. Raherisoa, and A. Rasoamamonjinirina, on 26 February 2001. Paratypes. ZSM 470/2001 (field number MV 2001-341), subadult/adult male, ZSM 471/2001 (field number MV 2001-345), adult female; both with same data as holotype; ZFMK 51141, collected by F. W. Henkel and J. Sameit in 1988-1989; ZFMK 52290, collected by F. W. Henkel and W. Schmidt without precise collecting date; ZFMK 55257, collected by F. W. Henkel, without precise collecting date, three adult specimens from Ankarafantsika, Mahajanga Province, northwestern Madagascar, probably all females. 
DiagnosisDiagnosis: A mid-sized (max. SVL at least 108 mm), robust-bodied Blaesodactylus with tail much longer than SVL (Fig. 2). Snout elongate, gular granules small and regular, internarial region convex. 136–155 scale rows around midbody, 17–20 longitudinal rows of enlarged, keeled tubercles on dorsum. Fourth digit of pes with 15 undivided subdigital lamellae. 8–10 tubercles per row at base of tail, caudal tubercles limited to basal portion of tail. Body with 5–6 broad, more-or-less well-developed brown cross bands between nape and sacrum, original tail boldly banded, venter pale. Blaesodactylus ambonihazo sp. nov. may be differentiated from B. boivini by its smaller size (maximum SVL 108 mm versus 144 mm), homogeneous (versus heterogeneous) gular granules (Fig. 4) and uniform pale venter (versus mottled with areas of dark pigmentation). It differs from B. sakalava in its uni- form (versus usually heterogeneous) gular granules, longer snout (Fig. 5A) with internarial depression (versus con- vex internarial region), more restricted caudal tubercles (on proximal 40% only versus entire length of original tail, and some dorsal tubercles bearing fine radial keels as well as a central longitudinal keel (Fig. 5B; versus longitudi- nal keel only). It is distinguished from B. antongilensis, with which it has previously been confused by its uniform gular granules (versus enlarged anterior granules), lower number of dorsal tubercle rows (17–20 versus up to 24), and less strongly keeled and more widely spaced tubercles (2–3 intertubercular granules versus 1–2). 
EtymologyThe species name is composed of the two Malagasy words hazo (tree) and ambony (on) and refers to the tree-dwelling habits of the new species (the terminal "y" of ambony is replaced by "i" as typical in Malagasy composite words). The species name is used as noun in apposition. 
  • BAUER, AARON M.; FRANK GLAW, PHILIP-SEBASTIAN GEHRING & MIGUEL VENCES 2011. New species of Blaesodactylus (Squamata: Gekkonidae) from Ankarafantsika National Park in north-western Madagascar. Zootaxa 2942: 57–68 - get paper here
  • Ineich, I.; FRANK GLAW, MIGUEL VENCES 2016. A new species of Blaesodactylus (Squamata: Gekkonidae) from Tsingy limestone outcrops in Namoroka National Park, north-western Madagascar. Zootaxa 4109 (5): 523–541 - get paper here
  • Kwet, Axel 2012. Liste der im Jahr 2011 neu beschriebenen Reptilien. Terraria-Elaphe 2012 (3): 46-57 - 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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