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Brookesia antakarana RAXWORTHY & NUSSBAUM, 1995

IUCN Red List - Brookesia antakarana - Near Threatened, NT

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Higher TaxaChamaeleonidae (Brookesiinae), Sauria, Iguania, Squamata (lizards)
Common Names 
SynonymBrookesia antakarana RAXWORTHY & NUSSBAUM 1995: 537
Brookesia ambreensis RAXWORTHY & NUSSBAUM 1995: 534
Brookesia antakarana — NECAS 1999: 276
Brookesia ambreensis — NECAS 1999: 276
Brookesia antakarana — TOWNSEND et al. 2009
Brookesia ambreensis — TOWNSEND et al. 2009
Brookesia antakarana — SCHERZ et al. 2018 
DistributionMadagascar (Montagne de Ambre National Park)

Type locality: Antomboka River, Montagne de Ambre National Park, elevation 1050 m, Madagascar

ambreensis: Madagascar (Montagne de Ambre National Park); Type locality: Antomboka River, Montagne de Ambre National Park, elevation 1050-1100 m, Madagascar.  
TypesHolotype: UMMZ 200071
Holotype: UMMZ 203635 [ambreensis] 
DiagnosisDiagnosis (ambreensis): A Brookesia with a complete series of 12, dorsolateral pointed tubercles on the body; no well-defined pelvic shield in the sacral region; no dorsal ridge (keel); no prominent pointed tubercles on the tail, chin or around the cloaca; supraocular cone rounded and does not project further forward than nostril; the horizontal distance between the snout tip and anterior margin of eye is less than the eye diameter; dorsal region of body unmarked, or with a thin dark. brown vertebral line; SVL up to 55 mm. Only two other species, Brookesia karchei and B. valerieae share the following combination of characters with B. ambreensis: series of dorsolateral pointed tubercles along body, absence of prominent pointed tubercles on tail, chin and around cloaca; absence of a dorsal ridge (keel) on body; absence of 3 pelvic shield. Brookesia karchei has an elongated snout; the horizontal distance, between the snout tip and anterior margin of eye, is greater than the eye diameter; the supraocular cone is pointed; and is not known to exceed 30 mm SVL. Brookesia valeriege has nine or ten dorsolateral pointed tubercles; the supraocular cone is pointed; and the dorsal body region may have elongated, dark brown, forward pointing chevrons or a pale vertebral line. (Raxworthy & Nussbaum 1995) 
CommentThis species was paraphyletic with respect to B. ambreensis (TOWNSEND et al. 2009). Scherz et al. 2018 synonymized Brookesia ambreensis with B. antakarana.

Abundance: only known from the type locality (Meiri et al. 2017). 
EtymologyNamed after the Antakarana people and region in N Madagascar where the species occurs.

B. ambreensis is named after the type locality, Montagne de Ambre. 
  • D’Cruze, N.; Köhler, J.; Franzen, M & Glaw, F. 2008. A conservation assessment of the amphibians and reptiles of the Forêt d’Ambre Special Reserve, north Madagascar. MADAGASCAR CONSERVATION & DEVELOPMENT 3 (1): 44-54 - get paper here
  • Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - get paper here
  • 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
  • Necas, P. & Schmidt, W. 2004. Geheimnisvolle Mini-Drachen: Die Erd- und Stummelschwanzchamäleons der Gattungen Brookesia und Rhampholeon. Reptilia (Münster) 9 (48): 18-27 - get paper here
  • Necas, P. & Schmidt, W. 2004. Mysterious Mini-Dragons: the stump-tailed chameleons Brookesia and Rhampholeon. Reptilia (GB) (35): 10-21 - get paper here
  • Necas, P. & Schmidt, W. 2004. Stump-tailed Chameleons. Miniature Dragons of the Rainforest. Edition Chimaira, Frankfurt, 256 pp. [review in Elaphe 14 (1): 24]
  • Necas, Petr 1999. Chameleons - Nature's Hidden Jewels. Edition Chimaira, Frankfurt; 348 pp.; ISBN 3-930612-04-6 (Europe)<br />ISBN 1-57524-137-4 (USA, Canada)
  • Raxworthy, C. J. & R. A. Nussbaum 1995. Systematics, speciation and biogeography of the dwarf chameleons (Brookesia; Reptilia, Squamata, Chamaeleontidae) of northern Madagascar. Journal of Zoology 235: 525-558. - get paper here
  • Scherz, M. D., F. Glaw, A. Rakotoarison, M. Wagler & M. Vences 2018. Polymorphism and synonymy of Brookesia antakarana and B. ambreensis, leaf chameleons from Montagne d’Ambre in north Madagascar. Salamandra 54 (4): 259-268 - get paper here
  • Schmidt, W.; Tamm, K. & Wallikewitz, E. 2010. Chamäleons - Drachen unserer Zeit. Natur und Tier Verlag, 328 pp. [review in Reptilia 101: 64, 2013] - get paper here
  • Townsend, T.M.; Vieites, D.R.; Glaw, F. & Vences, M. 2009. Testing Species-Level Diversification Hypotheses in Madagascar: The Case of Microendemic Brookesia Leaf Chameleons. Systematic Biology 58 (6):641–656 - get paper here
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