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Hydrosaurus microlophus (BLEEKER, 1860)

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Higher TaxaAgamidae (Hydrosaurinae), Sauria, Iguania, Squamata (lizards)
Subspecies 
Common NamesE: (Sulawesi) Sailfin Lizard
G: Segelechse 
SynonymIstiurus microlophus BLEEKER 1860: 80
Istiurus microlophus — BLEEKER 1860: 85
Istiurus amboinensis — BLEEKER 1860: 85
Lophura amboinensis — BOULENGER 1885: 402 (part)
Lophura amboinensis — CASTO DE ELERA 1895: 417 (part)
Lophura amboinensis — DE ROOIJ 1915: 128 (part)
Lophura amboinensis var. celebensis — WEBER 1890: 160, 167
Hydrosaurus amboinensis — WERMUTH 1967: 64 (part)
Hydrosaurus microlophus — DENZER et al. 2020 
DistributionIndonesia (Sulawesi)

Type locality: Makassar (formerly Ujung Pandang), Celebes (= Sulawesi)”  
Reproductionoviparous 
TypesHolotype: NHMUK 1863.12.4.35, juvenile 
DiagnosisDiagnosis: Large species exceeding 1000 mm in total length; largest specimen, SMF 35996, SVL = 325 mm, TL = 745mm (TL/SVL = 2.29), tip of the tail missing; complete specimen, MZB Lac 5870, SVL 131 mm, TL 315 mm (TL/SVL = 2.4) [Remark: The MVZ database gives 370 mm as tail length]. Head black; sometimes with yel- lowish colour around the eyes, the same on the lower half of the neck and in front of the shoulders as well as in the gular region; nuchal region black; a group of enlarged conical or pyramidal scales on either side of the neck; nuchal and dorsal crests continuous; in males, the sides of the body are dirty yellow with three groups of enlarged conical or pyramidal scales, often forming a triangular shape, between fore and hindlimbs that decrease in size ventrally to form transverse bands, the largest scales being black in colour; adult females are black with yellow enlarged scales; some females (presumably subadults or non-reproducing specimens) and juveniles typically grey with the groups of enlarged scales being whitish in colour; yellow ventrally, limbs on the upper side black and on the underside yel- low (grey in subadults and juveniles); scales under fourth and fifth toes initially flat or singly keeled; tail black with some irregular yellow markings; sail dirty yellow to light brown with black stripes (Denzer et al. 2020: 287).


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CommentSynonymy partly after Denzer et al. 2020. 
References
  • Bleeker, P. 1860. [12. Reptilien van Boni]. Natuurkundl. Tijdschr. Nederl. Indie, Batavia 22: 81-85 - get paper here
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Nat. Hist.) I. Geckonidae, Eublepharidae, Uroplatidae, Pygopodidae, Agamidae. London: 450 pp. - get paper here
  • Casto de E. 1895. Catalogo sistematico de toda la fauna Filipinas conocida hasta al presente, y a la vez y el de la collection zoologico de Museo de PP. Dominicos del Colegio-Universidad de Sto.tomas de Manila. Vol. I. Vertebrados. Imprenta del Colegio de Sto. Tomas, Manila, 728 pp - get paper here
  • de Rooij, N. de 1915. The Reptiles of the Indo-Australian Archipelago. I. Lacertilia, Chelonia, Emydosauria. Leiden (E. J. Brill), xiv + 384 pp. - get paper here
  • DENZER, WOLFGANG; PATRICK D. CAMPBELL, ULRICH MANTHEY, ANDREA GLÄSSER-TROBISCH, ANDRÉ KOCH 2020. Dragons in neglect: Taxonomic revision of the Sulawesi sailfin lizards of the genus Hydrosaurus Kaup, 1828 (Squamata, Agamidae). Zootaxa 4747 (2): 275–301 - get paper here
  • GLÄSSER-TROBISCH, A. & TROBISCH, D. 2020. Begegnungen mit Hydrosaurus & Co. in der Wallacea. Teil 1: Drachen im Reich der Schmetterlinge – Sulawesi Sauria 42 (3): 1-25 - get paper here
  • Weber, M. 1890. Reptilia from the Malay Archipelago. 1. Sauria, Crocodylidae, Chelonia. In: Zoologische Ergebnisse einer Reise in Niederländisch Ost-Indien 1: 158-177. M. Weber (Ed.). E. J. Brill, Leiden. - get paper here
  • Wermuth, Heinz 1967. Liste der rezenten Amphibien und Reptilien. Agamidae. Das Tierreich 86: 1-127
 
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