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Brookesia brygooi RAXWORTHY & NUSSBAUM, 1995

IUCN Red List - Brookesia brygooi - Least Concern, LC

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Higher TaxaChamaeleonidae (Brookesiinae), Sauria, Iguania, Squamata (lizards)
Common Names 
SynonymBrookesia brygooi RAXWORTHY & NUSSBAUM 1995
Brookesia brygooi — NECAS 1999: 276
Brookesia brygooi — TOWNSEND et al. 2009 
DistributionSW Madagascar

Type locality: Analavelona.  
TypesHolotype: MNHN-RA 8219 (indicated as holotype by original designation) but there are two specimens under that collection number, MNHN-RA 8219 and MNHN-RA 8219A. 
DiagnosisDiagnosis: A Brookesia without a dorsal ridge (keel) on the body; a complete series of dorsolatera-pointed-tubercleson the body; a pelvic shield; a ventrolateral pointed tubercle on the tailbase posterior to the cloaca; and a head width in temporal region 1•0-1•2 times wider than the width between eyes. Only Brookesia decaryi and B. bonsi share the following combination of features: body without a dorsal ridge, a complete series of dorsolateral pointed tubercles on the body, a pelvic shield and a ventrolateral pointed tubercle on the tailbase posterior to the cloaca. However, the head width in the temporal region of both Brookesia decaryi and B. bonsi is 1•3-1•5 times wider than the width between eyes. (Raxworthy & Nussbaum 1995)

Description of holorype- Based on Brygoo (1978). Female (probably gravid). Snout-vent length 46 mm; tail 28 mm. Head with lateral, orbital and posterior crests that form a dorsal helmet; helmet divided into three regions by a pair of longitudinal parasagittal crests that start above the eyes and begin to converge before terminating at the posterior helmet crest; three pointed tubercles on each side of posterior helmet crest, one at termination point of lateral crest, one at termination point of parasagittal crest, and one between parasagittal and lateral crest; two pointed tubercles on lateral surface of head, one just above posterior angle of mouth and one below lateral crest in temporal region; orbital crest denticulated; supraocular cone rounded and projects forward to level of nostril; supranasal cone does not reach as far forward as snout tip. Dorsal surface of body flat (without a dorsal ridge or keel); 10 dorsolateral pointed tubercles form 1 complete longitudinal line on body; posteriormost (10th), pointed dorsolateral tubercle projects posteriorly from a pelvic shield above insertion point of hindlimbs; 1st-9th anterior pointed tubercles equally spaced and almost equal in size, perpendicular to body; a ventrolateral pointed tubercle just posterior to cloaca on the tailbase; no dorsolateral pointed tubercles on the tail. (Raxworthy & Nussbaum 1995)

Variation: Brygoo (1978) reported the following variation: maximum SVL 52 mm (females), 48 mm (males); maximum tail length 38 mm (females), 33 mm (males); the tail of BM 1968.691 has a series of four small dorsolateral pointed tubercles. (Raxworthy & Nussbaum 1995)

Hemipenis: The hemipenis of 507/C is clavate and asymmetrical, bearing an apex with a small denticulated lobe and a large papillary field (Brygoo & Domergue, 1971). (Raxworthy & Nussbaum 1995) 
CommentSimilar species: Brookesia ebenaui. 
EtymologyNamed after Édouard-Raoul Robert Brygoo (22 April 1920-8 February 2016), French herpetologigst who originally trained and worked as military physician, epidemiologist, bacteriologist, parasitologist, and historian. For details see obituary by Bour 2016. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Bour, Roger. 2016. Obituary: Édouard-Raoul Brygoo (1920-2016): Specialist on the reptiles of Madagascar. Herpetological Review 47 (2): 357-362 - get paper here
  • Cocca, W., G. M. Rosa, F. Andreone, G. Aprea, P. E. Bergò, F. Mattioli, V. Mercurio, J. E. Randrianirina, D. Rosado, M. Vences & A. Crottini 2018. The herpetofauna (Amphibia, Crocodylia, Squamata, Testudines) of the Isalo Massif, Southwest Madagascar: combining morphological, molecular and museum data. Salamandra 54 (3): 178-200 plus Supplementary Material - get paper here
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  • D'Cruze, Neil; Annette Olsonn, David Henson, Sunil Kumar, and David Emmett. 2009. The Amphibians and Reptiles of the Lower Onilahy River Valley, a Temporary Protected Area in Southwest Madagascar. Herp. Cons. Biol. 4: 62-79 - get paper here
  • Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - get paper here
  • Glaw, Frank; Njaratiana A. Raharinoro, Rojo N. Ravelojaona, David Prötzel & Miguel Vences 2022. New records of threatened leaf chameleons highlight unexpected genetic diversity of the Brookesia decaryi/B. bonsi species complex in western Madagascar Zool. Garten N.F. 90: 71-80 - get paper here
  • HOFMANN, T. 2012. Ein bemerkenswerter Nachweis der Gattung Brookesia (GRAY, 1865) im äußersten Süden Madagaskars. Sauria 34 (1): 51-53 - get paper here
  • Lutzmann, N. 2004. Huckepack zur Hochzeit: warum tragen einige Chamäleonweibchen die Männchen auf dem Rücken? Reptilia (Münster) 9 (48): 38-40 - get paper here
  • Lutzmann, N. 2004. Females carrying males in chameleon courtship. Reptilia (GB) (35): 34-36 - get paper here
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  • Randrianantoandro, Christian; Razafimahatratra, Bertrand; Soazandry, Mathilde; Ratsimbazafy, Jonah; Jenkins, Richard K.B. 2010. Habitat use by chameleons in a deciduous forest in western Madagascar. Amphibia-Reptilia 31: 27-35 - get paper here
  • Randrianantoandro, Joseph Christian; Randrianavelona, Roma; Andriantsimanarilafy, Raphali Rodlis; Fideline, Hantalalaina Elisoa; Rakotondravony, Daniel; Jenkins, Richard K.B. 2007. Roost site characteristics of sympatric dwarf chameleons (genus Brookesia) from western Madagascar. Amphibia-Reptilia 28 (4): 577-581 - get paper here
  • 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
  • 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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