Uroplatus fivehy RATSOAVINA, GLAW, RASELIMANANA, RAKOTOARISON, VIEITES, HAWLITSCHEK, VENCES & SCHERZ, 2020
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|Higher Taxa||Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)|
|Synonym||Uroplatus fivehy RATSOAVINA, GLAW, RASELIMANANA, RAKOTOARISON, VIEITES, HAWLITSCHEK, VENCES & SCHERZ 2020|
Uroplatus sp. A — RAXWORTHY et al. (2008)
Uroplatus sp. 4 — RATSOAVINA et al. (2011)
Uroplatus ebenaui [Ca4] — RATSOAVINA et al. 2012
Uroplatus ebenaui [Ca4] — RATSOAVINA et al. 2013
Uroplatus ebenaui [Ca4] — RATSOAVINA et al. 2015
Uroplatus ebenaui [Ca4] — RATSOAVINA et al. 2017
Uroplatus ebenaui [Ca4] — RATSOAVINA et al. 2019
|Distribution||N Madagascar (Sorata Massif)|
Type locality: Sorata Massif, Sava Region, northern Madagascar, in the vicinity of the campsite, near 13.6805°S, 49.4451°E, 1417 m a.s.l.
|Types||Holotype. ZSM 1721/2012 (field number FGZC 3590), adult male, collected on 26 November 2012 by F. Glaw, O. Hawlitschek, T. Rajoafiarison, A. Rakotoarison, F. M. Ratsoavina and A. Razafimanantsoa.|
Paratypes. A total of 12 specimens: ZSM 1722/2012 (field number FGZC 3591), adult female, with same collection data as the holotype; UADBA-R 70851 (FGZC 3694), adult male, collected by same collectors as holotype on 29 November 2012 on the Sorata Massif at 13.6868°S, 49.4412°E, 1272 m a.s.l.; UADBA-R 70850 (FGZC 3715), adult male, collected by same collectors as holotype on 30 November 2012 on the Sorata Massif near a creek at 13.6829°S, 49.4403°E, 1325 a.s.l.; ZSM 634/2009 (ZCMV 11308), adult male, and UADBA-R 70966 (ZCMV 11309), adult female, collected between 22–25 June 2009 by F. Ratsoavina, R.D. Randrianiaina, E. Rajeriarison, T. Rajoafiarison, D.R. Vieites and M. Vences near Angozongahy campsite on the western side of the Makira plateau in the Northern Central East of Madagascar, near 15.437°S, 49.1167°E, 1009 m a.s.l.; UADBA 29428 (APR 05955) and UADBA 29427 (APR 05921), two adult males collected on 22 November 2004 and UADBA 29426 (APR 05859), subadult, collected on 19 November 2004 by A.P. Raselimanana at Anjiabolo site (ca. 16.2800°S, 48.8017°E; respectively at 1100 m and 1000 m a.s.l) in Marotandrano Special Reserve, Sofia Region, Northern Central East Madagascar; UADBA 29430 (APR 05984), UADBA 29431 (APR 05985), two males and UADBA 29429 (APR 05983), adult female, collected on 25 November 2004; and UADBA 29432 (APR 06118), adult male, collected on 29 November 2004 by A.P. Raselimanana at Riamalandy site (16.2850°S, 48.8150°E, between 825–875 m a.s.l.) in Marotandrano Special Reserve.
|Diagnosis||Diagnosis. Uroplatus fivehy sp. nov. is assigned to the Uroplatus ebenaui species group based on its relatively small size, leaf-like, laterally-compressed body shape, short tail, and triangular head with supraocular spines. The following unique combination of characters characterizes the new species: (1) short (TAL/SVL 0.21–0.41) and slender (TAW/SVL 0.06–0.13) tail, (2) oral mucosa without black pigment, and (3) relatively smooth (not spiny) appearance in males. Additionally, it is distinguished by high genetic pairwise-distances > 10% in DNA sequences of the mitochondrial 16S gene from all other nominal species of Uroplatus.|
By its overall leaf-like appearance, the species can easily be distinguished from all members of the U. fimbriatus species group, from U. lineatus, and from the phenetic U. alluaudi species group. Within the U. ebenaui species group, U. fivehy sp. nov. can be distinguished from U. finaritra and U. malama by smaller body size (SVL 60.8–72.4 mm versus 77.5–95.3 mm); from U. malama, U. phantasticus, U. finiavana and U. finaritra by shorter tail (TAL/SVL 0.21–0.41 versus 0.48–0.76); from U. fangorn, U. ebenaui, U. fetsy, and U. kelirambo by its unpigmented oral mucosa (pale pinkish all over versus black or deep red pigment present); from U. kelirambo by more expanded tail edges (versus strongly spear-shaped; TAW/SVL 0.06–0.13 versus 0.04–0.05 in U. kelirambo). U. fivehy sp. nov. is morphologically most similar to U. fiera and to U. fotsivava, which however concordantly differ in mitochondrial and nuclear DNA sequences and are not its immediate relatives based on molecular phylogenetic analysis; it differs from U. fotsivava by a generally longer and wider tail, although the values do overlap (TAL/SVL 0.21–0.41 versus 0.15–0.32; TAW/SVL 0.06–0.13 versus 0.05–0.10), and from U. fiera possibly in a slightly larger ratio TAL/TAW (0.22–0.37 versus 0.19–0.21).
Variation. As described for U. fangorn above, there is a substantial color variation (Figs 6–7), and sexual dimorphism in the edges of the tail. The color of the eye varies from beige/gray to dark brown and reddish-brown. Dorsal color can be uniform beige to reddish-brown with or without white lichen-like markings. Two sharply delimited vertebral black patches on the anterior and posterior part of the dorsum are present in several individuals. Relative tail length and tail width are characterized by substantial variability among individuals (Fig. 4).
|Comment||For references see Ratsoavina et al. 2020 (not provided by authors upon request).|
Distribution: see map in RATSOAVINA et al. 2020: 258 (Fig. 3).
|Etymology||The species epithet fivehy is a noun in apposition to the genus name, meaning “paddle” in local Malagasy dialect, and referring to the paddle-like shape of its tail.|
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