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Two Cases of Melanism in the Ring-Headed Dwarf Snake Eirenis Modestus (Martin, 1838) from Kastellorizo, Greece (Serpentes: Colubridae)
Herpetology Notes, volume 11: 175-178 (2018) (published online on 20 February 2018) Two cases of melanism in the Ring-headed Dwarf Snake Eirenis modestus (Martin, 1838) from Kastellorizo, Greece (Serpentes: Colubridae) Konstantinos Kalaentzis1,*, Christos Kazilas1 and Ilias Strachinis1 Pigmentation serves a protective role in many 2016). A possible adaptive hypothesis for melanism in animals, including snakes, whether it functions in snakes is protection against sun damage (Lorioux et al., camouflage, warning, mimicry, or thermoregulation 2008; Jablonski and Kautman, 2017). (Bechtel, 1978; Krecsák, 2008). The observable The Ring-headed Dwarf Snake, Eirenis modestus colouration and pattern of a snake is the result of the (Martin, 1838), is a medium-sized colubrid snake presence of variously coloured pigments in specific reaching a maximum total length of 70 cm (Çiçek and places in the skin (Bechtel, 1978). Four different types Mermer, 2007). The Dwarf Snake inhabits rocky areas of pigment-bearing cells called chromatophores can with sparse vegetation and often hides under stones, be found in the skin of reptiles, namely melanophores, where it feeds mainly on terrestrial arthropods (Çiçek iridophores, erythrophores, and xanthophores (Bechtel, and Mermer, 2007). It is widely distributed (Fig. 1), 1978). Abnormalities in the pigment formation or the occurring mainly in the Caucasus (Armenia, southern interaction between the different types of pigment may Azerbaijan, eastern Georgia, southern Russia), Greece result in various chromatic disorders, which cause (on the islands of Alatonissi, Chios, Fournoi, Kalymnos, abnormal colouration of the skin and its derivatives Kastellorizo, Leros, Lesvos, Samiopoula, Samos, (Rook et al., 1998). There are many literature reports and Symi), northwestern Iran, and Turkey (Çiçek and describing chromatic anomalies in snakes, of which Mermer, 2007; Mahlow et al., 2013). -
61 Book Review Ananjeva, NB, Orlov, NL, Khalikov
Book Review Ananjeva, N.B., Orlov, N.L., Khalikov, R.G., vilacerta (for L. parva). In snakes, they still used Darevsky, I.S., Ryabov, S.A. & A.V. Barabanov Coluber for species now called Platyceps and He- (2006): The Reptiles of Northern Eurasia. Taxo- morrhois, but accepted Hierophis for the jugularis- nomic Diversity, Distribution, Conservation Sta- caspius-schmidti group (which should, however, tus. – Sofia (PENSOFT Publishers), 245 pp., nu- become Dolichophis, because Eirenis would render merous distribution map sketches, colour photos their concept of Hierophis paraphyletic). In the and double-sided colour plates. ISBN-0: 954-642- case of the collective genus Elaphe, they accepted 269-X, ISBN-3: 978-954-642-269-9. – Pensoft Se- only Oocatochus for the Far East species rufodor- ries faunistica No. 47, ISSN 32-047. sata but retained Elaphe for the entire (and largely polyphyletic) rest. But new systematic insights will The large-sized and richly illustrated book to be always further proceed and form new challenges dealt with here is the English version of a prede- for forthconing editions of books like this one. cessor edition published in Russian by the Zoolog- Distribution: The distribution areas of each ical Institute of the Russian Academy of Sciences, species are indicated on a standardized sketch map St. Petersburg, in 2004. It is very meritious that the showing the northern part of the globe viewed on active Pensoft Publishing Company in Sofia un- the palearctic side. As no political borders are dertook the publication of this book in English, drawn, it is not always easy to associate a specific making it thus accessible to a much broader read- species range to a specific (GUS) country that fol- ership. -
Amphibians and Reptiles of the Mediterranean Basin
Chapter 9 Amphibians and Reptiles of the Mediterranean Basin Kerim Çiçek and Oğzukan Cumhuriyet Kerim Çiçek and Oğzukan Cumhuriyet Additional information is available at the end of the chapter Additional information is available at the end of the chapter http://dx.doi.org/10.5772/intechopen.70357 Abstract The Mediterranean basin is one of the most geologically, biologically, and culturally complex region and the only case of a large sea surrounded by three continents. The chapter is focused on a diversity of Mediterranean amphibians and reptiles, discussing major threats to the species and its conservation status. There are 117 amphibians, of which 80 (68%) are endemic and 398 reptiles, of which 216 (54%) are endemic distributed throughout the Basin. While the species diversity increases in the north and west for amphibians, the reptile diversity increases from north to south and from west to east direction. Amphibians are almost twice as threatened (29%) as reptiles (14%). Habitat loss and degradation, pollution, invasive/alien species, unsustainable use, and persecution are major threats to the species. The important conservation actions should be directed to sustainable management measures and legal protection of endangered species and their habitats, all for the future of Mediterranean biodiversity. Keywords: amphibians, conservation, Mediterranean basin, reptiles, threatened species 1. Introduction The Mediterranean basin is one of the most geologically, biologically, and culturally complex region and the only case of a large sea surrounded by Europe, Asia and Africa. The Basin was shaped by the collision of the northward-moving African-Arabian continental plate with the Eurasian continental plate which occurred on a wide range of scales and time in the course of the past 250 mya [1]. -
Eirenis Levantinus Region: 8 Taxonomic Authority: Schmidtler, 1993 Synonyms: Common Names
Eirenis levantinus Region: 8 Taxonomic Authority: Schmidtler, 1993 Synonyms: Common Names: Order: Ophidia Family: Colubridae Notes on taxonomy: General Information Biome Terrestrial Freshwater Marine Geographic Range of species: Habitat and Ecology Information: This species ranges from southern Turkey (in Adana and Osmaniye This species is found in areas of Mediterranean-type habitat such as provinces), through western Syria and Lebanon, to northern Israel. This oak woodland and scrub. It can also be found amongst stones in quite species is found from sea level up to 1,600m asl open areas with no trees. It has been recorded from both traditional orchards and rural gardens. Conservation Measures: Threats: It occurs in protected areas in both Lebanon and Israel. It is protected The species is threatened in Israel by habitat loss. The threats to this by national legislation in Israel. species in Turkey are not known. It is threatened in Lebanon, and presumably other parts of the range, by indirect local persecution. Species population information: It is generally a common species. Native - Native - Presence Presence Extinct Reintroduced Introduced Vagrant Country Distribution Confirmed Possible IsraelCountry: Country:Lebanon Country:Syrian Arab Republic Country:Turkey Native - Native - Presence Presence Extinct Reintroduced Introduced FAO Marine Habitats Confirmed Possible Major Lakes Major Rivers Upper Level Habitat Preferences Score Lower Level Habitat Preferences Score 3.8 Shrubland - Mediterranean-type Shrubby Vegetation 1 11.3 Artificial/Terrestrial -
A Phylogeny and Revised Classification of Squamata, Including 4161 Species of Lizards and Snakes
BMC Evolutionary Biology This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes BMC Evolutionary Biology 2013, 13:93 doi:10.1186/1471-2148-13-93 Robert Alexander Pyron ([email protected]) Frank T Burbrink ([email protected]) John J Wiens ([email protected]) ISSN 1471-2148 Article type Research article Submission date 30 January 2013 Acceptance date 19 March 2013 Publication date 29 April 2013 Article URL http://www.biomedcentral.com/1471-2148/13/93 Like all articles in BMC journals, this peer-reviewed article can be downloaded, printed and distributed freely for any purposes (see copyright notice below). Articles in BMC journals are listed in PubMed and archived at PubMed Central. For information about publishing your research in BMC journals or any BioMed Central journal, go to http://www.biomedcentral.com/info/authors/ © 2013 Pyron et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes Robert Alexander Pyron 1* * Corresponding author Email: [email protected] Frank T Burbrink 2,3 Email: [email protected] John J Wiens 4 Email: [email protected] 1 Department of Biological Sciences, The George Washington University, 2023 G St. -
Journal of Science Evaluation of the Reptilian Fauna in Amasya Province, Turkey with New Locality Records
Research Article GU J Sci 31(4): 1007-1020 (2018) Gazi University Journal of Science http://dergipark.gov.tr/gujs Evaluation of The Reptilian Fauna in Amasya Province, Turkey with New Locality Records Mehmet Kursat SAHIN1,2, *, Murat AFSAR3 1Hacettepe University, Faculty of Science, Biology Department, 06800, Ankara, Turkey 2Karamanoglu Mehmetbey University, Kamil Ozdag Science Faculty, Biology Departmet, Karaman, Turkey 3Manisa Celal Bayar University, Faculty of Science and Letters, Biology Department, Manisa, Turkey Article Info Abstract The present study investigated the reptilian fauna in Amasya Province, Turkey. Reptile species Received: 14/01/2018 were identified from collections made during field studies or recorded in literature, with some Accepted: 18/06/2018 new locality records obtained. Field studies were undertaken over two consecutive years (2016 and 2017). Two lacertid species, one skink species, two colubrid species and one viper species were officially recorded for the first time or their information was updated. In addition to Keywords species locality records, chorotypical and habitat selection were also assessed and the Viper International Union for Conservation of Nature Red List of Threatened Species criteria Reptilia included. Data on the distribution and locality information for each taxon is also provided. Our Fauna findings demonstrate that Amasya might be an ecotone zone between the Mediterranean, Chorotype Caucasian, and European ecosystems. Although there are some concerns for the sustainable Eunis dynamics of reptilian fauna, relatively rich and different European nature information system habitat types provide basic survival conditions for reptilian fauna in the province. 1. INTRODUCTION Turkey is the only country that almost entirely includes three of the world’s 34 biodiversity hotspots: the Caucasus, Irano-Anatolian, and Mediterranean [1]. -
An Annotated Checklist, Description and Key to the Dwarf Snakes of The
63 (1): 41 – 85 © Senckenberg Gesellschaft für Naturforschung, 2013. 30.4.2013 An annotated checklist, description and key to the dwarf snakes of the genus Eirenis Jan, 1863 (Reptilia: Squamata: Colubridae), with special emphasis on the dentition Kristin Mahlow 1, *, Frank Tillack 1, *, Josef Friedrich Schmidtler 2 & Johannes Müller 1 1 Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity Berlin, Invalidenstraße 43, 10115 Berlin, Germany — 2 Oberföhringer Straße 35, 81925 München, Germany — * corresponding authors; Email: frank.tillack(at)mfn-berlin.de; kristin.mahlow(at)mfn-berlin.de Accepted 09.i.2013. Published online at www.senckenberg.de/vertebrate-zoology on 19.iv.2013. Abstract For the first time a comprehensive checklist and description of all species of the dwarf snake genus Eirenis is presented using both ex- ternal morphological characters and osteological information derived from micro-computed tomography, and by considering more than 300 specimens from the entire distribution range. Our study recognizes 18 valid species, but also emphasizes that Eirenis modestus and E. persicus each represent a complex of several taxa which urgently need a revision. Regarding the latter complex, the validity of the taxon “Eirenis mcmahoni” is not accepted due to the current lack of understanding of the persicus-group. Also, further studies should be carried out to fully understand the species status of the newly described Eirenis kermanensis, which seems closely related to E. medus. At the same time, E. hakkariensis is resurrected to full species status given the dramatic morphological differences to E. thospitis, casting doubt on the apparent genetic identity as revealed by a previous investigation. -
Systematics, Distribution and Ecology of the Snakes of Jordan
Vertebrate Zoology 61 (2) 2011 179 179 – 266 © Museum für Tierkunde Dresden, ISSN 1864-5755, 25.10.2011 Systematics, distribution and ecology of the snakes of Jordan ZUHAIR S. AMR 1 & AHMAD M. DISI 2 1 Department of Biology, Jordan University of Science & Technology, P.O. Box 3030, Irbid, 11112, Jordan. amrz(at)just.edu.jo 2 Department of Biology, the University of Jordan, Amman, 11942, Jordan. ahmadmdisi(at)yahoo.com Accepted on June 18, 2011. Published online at www.vertebrate-zoology.de on June 22, 2011. > Abstract The present study consists of both locality records and of literary data for 37 species and subspecies of snakes reported from Jordan. Within the past decade snake taxonomy was re-evaluated employing molecular techniques that resulted in reconsideration of several taxa. Thus, it is imperative now to revise the taxonomic status of snakes in Jordan to update workers in Jordan and the surrounding countries with these nomenclatural changes. The snake fauna of Jordan consists of 37 species and subspecies belonging to seven families (Typhlopidae, Leptotyphlopidae, Boidae, Colubridae, Atractaspididae, Elapidae and Viperidae). Families Leptotyphlopidae, Boidae and Elapidae are represented by a single species each, Leptotyphlops macrorhynchus, Eryx jaculus and Walterinnesia aegyptia respectively. The families Typhlopidae and Atractaspididae are represented by two and three species respectively. Species of the former genus Coluber were updated and the newly adopted names are included. Family Colubridae is represented by twelve genera (Dolichophis, Eirenis, Hemorrhois, Lytorhynchus, Malpolon, Natrix, Platyceps, Psammophis, Rhagerhis, Rhynchocalamus, Spalerosophis and Telescopus) and includes 24 species. Family Viperidae includes fi ve genera (Cerastes, Daboia, Echis, Macrovipera and Pseudocerastes), each of which is represented by a single species, except the genus Cerastes which is represented by two subspecies. -
Captive Reproduction of Eirenis Levantinus Schmidtler, 1993 with Comments on Some Congeners (Squamata: Serpentes: Colubridae)
41768P_Herpetozoa_Kern_S59_66_41768P_Herpetozoa_Kern_S59_66.qxd 20.01.11 15:50 Seite 1 herPetozoA 23 (3/4): 59 - 65 59 Wien, 30. Jänner 2011 captive reproduction of Eirenis levantinus SchmIdtler, 1993 with comments on some congeners (Squamata: Serpentes: colubridae) Fortpflanzung von Eirenis levantinus SchmIdtler, 1993 in gefangenschaft, nebst Bemerkungen zu einigen gattungsgenossen (Squamata: Serpentes: colubridae) ArIeh lAndSmAn & yehudAh l. Werner kurzFASSung Über die Fortpflanzungsbiologie der Eirenis-Arten ist wenig bekannt. die Autoren berichten von gefan - gen schaftsbeobachtungen am Fortpflanzungsgeschehen zweier Pärchen von Eirenis levantinus SchmIdtler, 1993 vom Südrand der verbreitung und vergleichen die ergebnisse mit daten vom norden des verbreitungs gebietes. die tiere waren zumindest bis zum neunten lebensjahr fortpflanzungsfähig. die gelege bestanden aus 3-5 eiern. die mittlere eigröße bei der Ablage betrug 20,0 x 4,9 bis 30,0 x 10,0 mm, wobei die masse etwa 2,2 g ausmach- te. die eiablage erfolgte zwischen ende Juni und mitte Juli. die Inkubation dauerte je nach umgebungs tempera - tur 44-50 tage. die Schlüpflinge waren 120-145 mm lang und wogen 1,0-1,25 g. die Jungtiere häuteten sich erst- malig im Alter von 10-14 tagen, und ein zweites mal 34-40 tage danach. ein kurzer Überblick über aktuelle Berichte von anderen Arten der gattung beinhaltet zwei Fälle, in denen Eirenis rothii JAn, 1863 gelege bestehend aus zwei eiern ablegte, die etwa 25 x 5 mm maßen. ABStrAct the reproductive biology of Eirenis species is little known. We report on captive reproduction episodes from two pairs of Eirenis levantinus SchmIdtler, 1993, from the southern limit of the range, and compare with data from the north of the range. -
THE HERPETOFAUNA of LEROS (DODECANESE, S.E. AEGEAN) DAVID BUTTLE 2 Manchester Place, Norwich NR2 2SH, England
British Herpetological Society Bulletin, No. 34. 1990. THE HERPETOFAUNA OF LEROS (DODECANESE, S.E. AEGEAN) DAVID BUTTLE 2 Manchester Place, Norwich NR2 2SH, England. INTRODUCTION A period of two weeks, commencing 10th May 1990, was spent investigating the herpetofauna on the Greek island of Leros. Situated between Patmos, Lipsi and Kalymnos, in the Dodecanese island group of the southeast Aegean, the island lies some 33km off the mainland of Turkey. Leors, with an area of 52.1 km2 and a population of 6910, is covered by a series of rocky hills, the highest point being 320 metres. The vegetation consists mainly of Phrygana, with Euphorbia acanthothamnos prominent on the hillsides, and wooded areas of Pine and Oak. Though possessing a green and fertile appearance with cultivated fields, olive groves, vineyards and orchards around the villages, water on the island is mostly limited to seasonal streams and gullies, with a few small areas of remnant coastal marsh. Due to sea breezes the climate of the islands is more moderate than on the nearby southern mainland; mid day temperatures during my stay averaging 25°C, every day being clear and sunny. The previous winter's rainfall had been very poor and all water courses investigated were found to be totally dry. Based at Alinda, it proved possible to explore much of the island by foot during the time available. At present, tourism remains relatively limited and has had little effect on the island's natural beauty, though there is great potential for its future development. However, this is unlikely to be of much significance, 'package tourism' being concentrated on the larger islands, i.e. -
Review Species List of the European Herpetofauna – 2020 Update by the Taxonomic Committee of the Societas Europaea Herpetologi
Amphibia-Reptilia 41 (2020): 139-189 brill.com/amre Review Species list of the European herpetofauna – 2020 update by the Taxonomic Committee of the Societas Europaea Herpetologica Jeroen Speybroeck1,∗, Wouter Beukema2, Christophe Dufresnes3, Uwe Fritz4, Daniel Jablonski5, Petros Lymberakis6, Iñigo Martínez-Solano7, Edoardo Razzetti8, Melita Vamberger4, Miguel Vences9, Judit Vörös10, Pierre-André Crochet11 Abstract. The last species list of the European herpetofauna was published by Speybroeck, Beukema and Crochet (2010). In the meantime, ongoing research led to numerous taxonomic changes, including the discovery of new species-level lineages as well as reclassifications at genus level, requiring significant changes to this list. As of 2019, a new Taxonomic Committee was established as an official entity within the European Herpetological Society, Societas Europaea Herpetologica (SEH). Twelve members from nine European countries reviewed, discussed and voted on recent taxonomic research on a case-by-case basis. Accepted changes led to critical compilation of a new species list, which is hereby presented and discussed. According to our list, 301 species (95 amphibians, 15 chelonians, including six species of sea turtles, and 191 squamates) occur within our expanded geographical definition of Europe. The list includes 14 non-native species (three amphibians, one chelonian, and ten squamates). Keywords: Amphibia, amphibians, Europe, reptiles, Reptilia, taxonomy, updated species list. Introduction 1 - Research Institute for Nature and Forest, Havenlaan 88 Speybroeck, Beukema and Crochet (2010) bus 73, 1000 Brussel, Belgium (SBC2010, hereafter) provided an annotated 2 - Wildlife Health Ghent, Department of Pathology, Bacteriology and Avian Diseases, Ghent University, species list for the European amphibians and Salisburylaan 133, 9820 Merelbeke, Belgium non-avian reptiles. -
A Preliminary Study of the Food of the Dwarf Snake, Eirenis Modestus (Martin, 1838) (Serpentes: Colubridae), in ‹Zmir and Manisa Provinces
Turk J Zool 31 (2007) 399-402 © TÜB‹TAK A Preliminary Study of the Food of the Dwarf Snake, Eirenis modestus (Martin, 1838) (Serpentes: Colubridae), in ‹zmir and Manisa Provinces Kerim Ç‹ÇEK*, Ahmet MERMER Ege University, Faculty of Science, Biology Department, Zoology Section, TR-35100, ‹zmir - TURKEY Received: 17.10.2006 Abstract: The stomach contents of 14 (4 , 4¶¶ and 6 juveniles) Eirenis modestus specimens captured during various field studies in ‹zmir and Manisa provinces were examined, and a total of 44 prey items were found. An analysis of the stomach contents revealed that prey belonging to the classes Insecta (75%), Chilopoda (11%), and Reptilia (2%) constituted the diet of the species; the remaining prey could not be identified. The most frequently consumed prey were the orders Coleoptera (32%) and Orthoptera (21%) by number; Coleoptera (36%), Orthoptera (36%), and Scolopendromorpha (29%) by frequency; and Scolopendromorpha (72%) by volume. Based on these results, Eirenis modestus feeds predominantly on arthropods found under stones (86%). Key Words: Dwarf snake, Eirenis modestus, food composition ‹zmir ve Manisa ili Uysal Y›lan, Eirenis modestus (Martin, 1838) (Serpentes: Colubridae),’›n Besini Üzerine Bir Ön Çal›flma Özet: Bu çal›flmada, ‹zmir ve Manisa illerinde yap›lan arazi çal›flmalar› esnas›nda yakalanan 14 (4 , 4¶¶ ve 6 juv.) Eirenis modestus örne¤inin sindirim sistemi içeri¤i incelenmifl, toplam 44 av tespit edilmifltir. Sindirim sistemi içeri¤ine göre, türün besinini Insecta (% 75), Chilopoda (% 11) ve Reptilia (% 2) s›n›flar›na ait avlar oluflturmaktad›r ve geriye kalan avlar tan›mlanamam›flt›r. Bulunma oran› bak›m›ndan Coleoptera (% 32) ve Orthoptera (% 21); görülme s›kl›¤› bak›m›ndan Coleoptera (% 36), Orthoptera (% 36) ve Scolopendromorpha (% 29); hacim bak›m›ndan Scolopendromorpha (% 72) tak›mlar› en yüksek orana sahip av gruplar›d›r.