Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles).

Autor: Breuil M; Muséum national d'Histoire naturelle, Laboratoire des Reptiles et Amphibiens, Bâtiment 30, 57, rue Cuvier, CP n° 30, 75231 Paris cedex 05, France Muséum national d'Histoire naturelle Paris France., Schikorski D; Laboratoire Labofarm-Genindexe, 4 rue Théodore Botrel, 22600 Loudéac, France Laboratoire Labofarm-Genindexe Loudéac France., Vuillaume B; Laboratoire Labofarm-Genindexe, 4 rue Théodore Botrel, 22600 Loudéac, France Laboratoire Labofarm-Genindexe Loudéac France., Krauss U; Maison du Soleil, Dauphin Road, La Borne, P O Box GM 1109, Saint Lucia Unaffliated Saint Lucia Saint Lucia., Morton MN; Durrell Wildlife Conservation Trust, Les Augres Manor, Trinity, Jersey JE3 5BP, UK Durrell Wildlife Conservation Trust Trinity United Kingdom., Corry E; Durrell Wildlife Conservation Trust, Les Augres Manor, Trinity, Jersey JE3 5BP, UK Durrell Wildlife Conservation Trust Trinity United Kingdom., Bech N; Laboratoire Écologie et Biologie des Interactions, équipe EES, UMR CNRS 6556, Université de Poitiers, 5 rue Albert Turpin, 86073 Poitiers Cedex 9, France Université de Poitiers Poitiers France., Jelić M; Entomological Department, Varaždin City Museum, Šetalište Josipa Jurja Strossmayera 3, 42000 Varaždin, Croatia Varaždin City Museum Varaždin Croatia., Grandjean F; Laboratoire Écologie et Biologie des Interactions, équipe EES, UMR CNRS 6556, Université de Poitiers, 5 rue Albert Turpin, 86073 Poitiers Cedex 9, France Université de Poitiers Poitiers France.
Jazyk: angličtina
Zdroj: ZooKeys [Zookeys] 2020 Apr 13; Vol. 926, pp. 95-131. Date of Electronic Publication: 2020 Apr 13 (Print Publication: 2020).
DOI: 10.3897/zookeys.926.48679
Abstrakt: The Lesser Antilles, in the Eastern Caribbean, is inhabited by three Iguana species: the Lesser Antillean iguana Iguana delicatissima , which is endemic to the northernmost islands of the Lesser Antilles, the introduced common iguana from South America, Iguana iguana iguana , represented also by the two newly described endemic subspecies Iguana iguana sanctaluciae from Saint Lucia and Iguana iguana insularis from Saint Vincent and the Grenadines, and Grenada, and the introduced Iguana rhinolopha from Central America. Drawing on both morphological and genetic data, this paper describes the Iguana populations from Saba and Montserrat as a new species, Iguana melanoderma . This species is recognized on the basis of the following combination of characteristics: private microsatellite alleles, unique mitochondrial ND4 haplotypes, a distinctive black spot between the eye and tympanum, a dorsal carpet pattern on juveniles and young adults, a darkening of body coloration with aging (except for the anterior part of the snout), a black dewlap, pink on the jowl, the high number of large tubercular nape scales, fewer than ten medium sized-triangular dewlap spikes, high dorsal spikes, and lack of horns on the snout. This new melanistic taxon is threatened by unsustainable harvesting (including for the pet trade) and both competition and hybridization from escaped or released invasive alien iguanas ( I. iguana iguana and I. rhinolopha ) from South and Central America, respectively. The authors call for action to conserve Iguana melanoderma in Saba and Montserrat and for further research to investigate its relationship to other melanistic iguanas from the Virgin Islands and coastal islands of Venezuela.
(Michel Breuil, David Schikorksi, Barbara Vuillaume, Ulrike Krauss, Matthew N. Morton, Elizabeth Corry, Nicolas Bech, Mišel Jelić, Frédéric Grandjean.)
Databáze: MEDLINE
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