Hydrosaurus celebensis (PETERS, 1872)

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Higher Taxa	Agamidae (Hydrosaurinae), Sauria, Iguania, Squamata (lizards)
Subspecies
Common Names	E: (Sulawesi) Sailfin Lizard G: Segelechse
Synonym	Lophura celebensis PETERS 1872: 581 Lophura amboinensis — GÜNTHER 1873: 168 Lophura amboinensis — BOULENGER 1885: 402 (part) Lophura amboinensis — MEYER 1887: 6 (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 cf. amboinensis — KOCH 2012: 149 Hydrosaurus sp. [Sulawesi] — SILER et al. 2014: 102 Hydrosaurus celebensis — SILER et al. 2014: 104 Hydrosaurus celebensis — DENZER et al. 2020
Distribution	Indonesia (Sulawesi) Type locality: “am Ufer des Flusses von Posso in der Bai von Tomini” [= Poso River, Tomini Bay, Sulawesi, Indonesia]
Reproduction	oviparous
Types	Holotype: ZMB 7393, adult male
Diagnosis	Diagnosis: Large species, exceeding 1000 mm in total length, possibly 1200 mm (assuming TL/SVL = 2.4, a complete tail of holotype amounts to 864 mm); largest specimen examined, holotype SVL 360 mm, TL 580 mm (TL/SVL = 1.61), part of the tail missing; complete specimen, MZB Lac271, SVL 233 mm, TL 563 mm (TL/SVL = 2.42). Head, neck, gular region and shoulder completely black; a row of enlarged flat, sometimes conical scales on either side of the neck; nuchal and dorsal crests continuous; a group of dirty white enlarged flat scales on the anterior part of the dorsum; few (<10) additional enlarged scales approximately at midbody and before the hindlimbs. Dorsal colouration typically yellowish, sometimes dark orange, interspersed with black spots; ventrally beige, limbs black with a few yellow spots; scales under fourth and fifth toes broad with several keels from near the base of the toe; tail black, sail black or dark violet with black stripes (Denzer et al. 2020).
Comment	Synonymy partly after Denzer et al. 2020.
Etymology	Named after the type locality.
References	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 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 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 Günther,A. 1873. Notes on some reptiles and batrachians obtained by Dr. Bernhard Meyer in Celebes and the Philippine Islands. Proc. Zool. Soc. London 1873: 165-172 - get paper here Koch, A. 2012. Discovery, Diversity, and Distribution of the Amphibians and Reptiles of Sulawesi and its offshore islands. Edition Chimaira, 374 pp. [ISBN 978-3-89973-432-4] - get paper here Peters, Wilhem Carl Hartwig 1872. Über einige von Hrn. Dr. A. B. Meyer bei Gorontalo und Auf den Togian-Inseln gesammelte Amphibien. Monatsber. königl. Akad. Wiss. Berlin. 1872 (Juli): 581-585 - get paper here RIDHA, MOHAMMAD ALI; MIRZA DIKARI KUSRINI, ANI MARDIASTUTI & NANCY KARRAKER. 2021. The amphibians and reptiles of Rawa Aopa Watumohai national park, southeast Sulawesi. Media Konservasi 26(2): 128–138. - get paper here Siler, C.D., Lira-Noriega, A. & Brown, R.M. 2014. Conservation genetics of Australasian sailfin lizards: Flagship species threatened by coastal development and insufficient protected area coverage. Biological Conservation 169: 100–108 - get paper here
External links	Google images

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