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Calumma nasutum (DUMÉRIL & BIBRON, 1836)

IUCN Red List - Calumma nasutum - Least Concern, LC

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Higher TaxaChamaeleonidae, Sauria, Iguania, Squamata (lizards)
Common Names 
SynonymCamaeleon nasutus DUMÉRIL & BIBRON 1836: 216
Crassonota nasuta — GRAY 1865: 353
Chamaeleo radamanus MERTENS 1933
Chamaeleo nasutus — MERTENS 1966
Calumma nasuta — KLAVER & BÖHME 1986
Calumma nasuta — GLAW & VENCES 1994: 248
Calumma nasuta — NECAS 1999: 245
Calumma nasutum — LUTZMANN & LUTZMANN 2004
Calumma sp aff. nasutum —GEHRING et al. 2010 
DistributionE Madagascar (between Anosibe An’ala (19.3244°S, 48.2199°E) and Andasibe in the central east to Sorata), elevation 880 – 1400 m

Type locality: Madagascar  
TypesLectotype: MNHN-RA 1994.0610 (was MNHN-RA 6643C), male, female, paralectotypes: MNHN-RA 1994.0608 (was MNHN-RA 6643A) female, MNHN-RA 1994.0609 (was MNHN-RA 6643B), male; MNHN-RA 0.6643 originally comprised nine specimens among which only four specimens were syntypes: MNHN-RA 6643, MNHN-RA 6643A, MNHN-RA 6643B and MNHN-RA 6643C
Holotype: SMF 22132 [radamanus] 
DiagnosisDiagnosis (based on the type series, the three males MNHN 6643C, MNHN 6643B, and ZSM 924/2003, and two females MNHN 6643 and ZSM 1699/2012): Calumma nasutum is characterised by (1) a medium size (male SVL 43.7–49.0 mm, female SVL 43.0 – 49.4 mm; male TL 89.0 – 100.8 mm, female 80.7 – 95.1 mm), (2) a medium sized (2.2 – 2.6 mm in males, 1.2 – 1.5 mm in females) and distally rounded rostral appendage, (3) rostral scale not integrated into the rostral appendage, (4–7) rostral, lateral, temporal (consisting of one tubercle), and cranial crests present, (8) parietal crest indistinct or present, (9) a distinctly raised casque in males with a height of 1.5 – 2.0 mm, (10) dorsal crest can be present in males, (11) 12–15 supralabial scales, (12) axillary pits generally present, (13) diameter of the largest scale in the temporal region of the head 0.8 – 1.6 mm, (14) no frontoparietal fenestra, (15) parietal and squamosal in contact, (16) parietal bone width at midpoint 9.8 – 17.9% of skull length; colour in life based on clade K: (17) a generally green to brown body colouration, (18) a typically olive green to brown nose in non-stressed colouration, (19) a green cheek colouration, (20) three to four diffuse dorsoventral blotches of variable colour on the body and a light lateral stripe, and (21) a brown stripe crossing the eye can occur.
Calumma nasutum can easily be distinguished from C. vatosoa by presence of a rostral appendage (vs absence); from C. vohibola by the rostral appendage length (1.2–2.6 mm vs 0.0–0.8 mm) and a high casque (0.7– 2.0 mm vs 0.6 mm – re-measured, differing from GehrinG et al., 2011); for diagnosis against C. fallax, see below. For diagnosis against the species described and revalidated herein, see their respective (re-)descriptions below (Prötzel et al. 2020: 39). 
CommentPhoto in Elaphe 18 (4): 22 [2010].

Key: see Prötzel et al. 2020 for a key to the members of the C. nasutum group. 
EtymologyNamed after the Latin adjective nasutum meaning ‘big-nosed,’ in the neuter nominative singular; obviously in reference to the characteristic rostral appendage. 
  • ANDREONE F., F. GLAW, R. A. NUSSBAUM, C. J. RAXWORTHY, M. VENCES, and J. E. RANDRIANIRINA 2003. The amphibians and reptiles of Nosy Be (NW Madagascar) and nearby islands: a case study of diversity and conservation of an insular fauna. Journal of Natural History 37 (17): 2119–2149 - get paper here
  • Andreone F., Randrianirina J., Jenkins P.D. & Aprea G. 2000. Species diversity of Amphibia, Reptilia and Lipotyphla (Mammalia) at Ambolokopatrika, a rainforest between the Anjanaharibe-Sud and Marojejy massifs, NE Madagascar. Biodiversity and Conservation 9: 1587–1622 - get paper here
  • Barbour, Thomas 1918. Vertebrata from Madagascar. 2. Amphibia and Reptilia. Bull. Mus. Comp. Zool. Harvard 61 (14): 479-489. - get paper here
  • Duméril, A.M. C. and G. Bibron. 1836. Erpetologie Générale ou Histoire Naturelle Complete des Reptiles. Vol. 3. Libr. Encyclopédique Roret, Paris, 528 pp. - get paper here
  • 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
  • Gehring, P.-S., F. M. Ratsoavina & M. Vences 2010. Filling the gaps – amphibian and reptile records from lowland rainforests in eastern Madagascar. Salamandra 46 (4): 214-234 - get paper here
  • Gehring, Philip-Sebastian; Fanomezana M. Ratsoavina, Miguel Vences & Frank Glaw 2011. Calumma vohibola, a new chameleon species (Squamata: Chamaeleonidae) from the littoral forests of eastern Madagascar. African Journal of Herpetology 60 (2): 130-154 - get paper here
  • Gemel, R.; G. Gassner & S. Schweiger 2019. Katalog der Typen der Herpetologischen Sammlung des Naturhistorischen Museums Wien – 2018. Ann. Naturhist. Mus. Wien, B 121: 33–248
  • Glaw ,F. & Vences, M. 1994. A Fieldguide to the Amphibians and Reptiles of Madagascar. Vences & Glaw Verlag, Köln (ISBN 3-929449-01-3)
  • Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - get paper here
  • Gray,J.E. 1865. Revision of the genera and species of Chamaeleonidae, with the description of some new species. Ann. Mag. Nat. Hist. (3) 15: 340-354 - get paper here
  • Hillenius, D. 1988. The skull of Chamaeleo nasutus adds more information to the relationship of Chamaeleo with Rhampholeon and Brookesia (Chamaeleonidae, Reptilia). Bijdragen tot de dierkunde, 58: 7–11 - get paper here
  • Hyde-Roberts, S. & C. Daly 2014. A rapid herpetofaunal assessment of Nosy Komba Island, northwestern Madagascar, with new locality records for seventeen species. Salamandra 50 (1): 18-26 - get paper here
  • Krüger, Jens 1999. Neue Erkenntnisse zur Faunistik einiger Reptilien Madagaskars. Salamandra 35 (2): 65-76 - get paper here
  • Lutzmann, N. & Lutzmann, H. 2004. Das grammatikalische Geschlecht der Gattung Calumma (Chamaeleonidae) und die nötigen Anpassungen einiger Art- und Unterartbezeichnungen. Reptilia (Münster) 9 (48): 4-5 (Addendum in issue 5: 13) - get paper here
  • Lutzmann, N.; Kremer, G.; van Steendam, N. & Flamme, A. 2004. Auf Chamäleonsuche entlang der Route National 2 von Antananarivo bis an die Ostküste bei Ambila-Lemaitso. [Madagascar]. Draco 5 (19): 50--55 - get paper here
  • Mertens, R. 1933. Die Reptilien der Madagaskar-Expedition Prof. Dr. H. Bluntschlis. Senckenbergiana biologica 15: 260-274.
  • 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)
  • PRÖTZEL, D., SCHERZ, M.D., RATSOAVINA, F.M., VENCES, M., GLAW, F. 2020. Untangling the trees: Revision of the Calumma nasutum complex (Squamata: Chamaeleonidae). Vertebrate Zoology 70: 23-59 - get paper here
  • Prötzel, David 2018. Auf der Suche nach neuen Chamäleonarten in Ost-Madagaskar. Terraria-Elaphe 2018 (4): 66-69 - get paper here
  • Rabearivony, Jeanneney; Lee D. Brady, Richard K.B. Jenkins, Richard A. Griffiths, Achille P. Raselimanana, Michel Bisoa & Rasoamampionona N. Raminosoa 2015. Influence of riparian habitats on the distribution of rainforest chameleons in Parc National de Ranomafana, Madagascar. African Journal of Herpetology 64 (2): 148-159 | DOI: 10.1080/21564574.2015.1121930 - get paper here
  • RAXWORTHY, C.J.; ENRIQUE MARTINEZ-MEYER; NED HORNING; RONALD A. NUSSBAUM; GREGORY E. SCHNEIDER; MIGUEL A. ORTEGA-HUERTA & A. TOWNSEND PETERSON 2003. Predicting distributions of known and unknown reptile species in Madagascar. Nature 426: 837 - 841 - 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
  • Van Beest, Piet 2004. Herpetologische waarnemingen op Madagascar - deel 1. Lacerta 62 (2):48-55 - get paper here
  • Zimmermann, H. 2001. Das erste “deutsche” Naturschutzgebiet in Madagaskar, der “Drachenbaum-Regenwald Maromiza bei Andasibe und seine Herpetofauna. Herpetofauna 23 (134): 28-34 - get paper here
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