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Chávez G, Landestoy T MA, Ross GS, Ugarte-Núñez JA. New distributional records of the Samana least gecko ( Sphaerodactylus samanensis, Cochran, 1932) with comments on its morphological variation and conservation status. PeerJ 2021; 9:e10404. [PMID: 33510965 PMCID: PMC7808264 DOI: 10.7717/peerj.10404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/31/2020] [Indexed: 11/29/2022] Open
Abstract
We report here five new localities across the distribution of the lizard Sphaerodactylus samanensis, extending its current geographic range to the west, in the Cordillera Central of Hispaniola. We also report phenotypic variation in the color pattern and scutellation on throat and pelvic regions of males from both eastern and western populations, which is described below. Furthermore, based on these new data, we confirm that the species is not fitting in its current IUCN category, and in consequence propose updating its conservation status.
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Affiliation(s)
- Germán Chávez
- Instituto Peruano de Herpetología, Lima, Perú.,División de Herpetología, CORBIDI, Lima, Perú
| | - Miguel A Landestoy T
- Escuela de Biología, Universidad Autónoma de Santo Domingo, Santo Domingo, Dominican Republic
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Pinto BJ, Titus-McQuillan J, Daza JD, Gamble T. Persistence of a Geographically-Stable Hybrid Zone in Puerto Rican Dwarf Geckos. J Hered 2019; 110:523-534. [PMID: 30859222 DOI: 10.1093/jhered/esz015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 03/08/2019] [Indexed: 12/14/2022] Open
Abstract
Determining the mechanisms that create and maintain biodiversity is a central question in ecology and evolution. Speciation is the process that creates biodiversity. Speciation is mediated by incompatibilities that lead to reproductive isolation between divergent populations and these incompatibilities can be observed in hybrid zones. Gecko lizards are a speciose clade possessing an impressive diversity of behavioral and morphological traits. In geckos, however, our understanding of the speciation process is negligible. To address this gap, we used genetic sequence data (both mitochondrial and nuclear markers) to revisit a putative hybrid zone between Sphaerodactylus nicholsi and Sphaerodactylus townsendi in Puerto Rico, initially described in 1984. First, we addressed discrepancies in the literature on the validity of both species. Second, we sampled a 10-km-wide transect across the putative hybrid zone and tested explicit predictions about its dynamics using cline models. Third, we investigated potential causes for the hybrid zone using species distribution modeling and simulations; namely, whether unique climatic variables within the hybrid zone might elicit selection for intermediate phenotypes. We find strong support for the species-level status of each species and no evidence of movement, or unique climatic variables near the hybrid zone. We suggest that this narrow hybrid zone is geographically stable and is maintained by a combination of dispersal and selection. Thus, this work has identified an extant model system within geckos that that can be used for future investigations detailing genetic mechanisms of reproductive isolation in an understudied vertebrate group.
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Affiliation(s)
- Brendan J Pinto
- Department of Biological Sciences, Marquette University, Milwaukee, WI
| | | | - Juan D Daza
- Department of Biological Sciences, Sam Houston State University, Huntsville, TX
| | - Tony Gamble
- Department of Biological Sciences, Marquette University, Milwaukee, WI.,Bell Museum of Natural History, University of Minnesota, Saint Paul, MN.,Milwaukee Public Museum, Milwaukee, WI
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Klein NK, Brown WM. INTRASPECIFIC MOLECULAR PHYLOGENY IN THE YELLOW WARBLER (DENDROICA PETECHIA), AND IMPLICATIONS FOR AVIAN BIOGEOGRAPHY IN THE WEST INDIES. Evolution 2017; 48:1914-1932. [DOI: 10.1111/j.1558-5646.1994.tb02223.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/1992] [Accepted: 03/18/1994] [Indexed: 11/29/2022]
Affiliation(s)
- Nedra K. Klein
- Museum of Zoology and Department of Biology; University of Michigan; Ann Arbor Michigan 48109
| | - Wesley M. Brown
- Museum of Zoology and Department of Biology; University of Michigan; Ann Arbor Michigan 48109
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Reynolds RG, Collar DC, Pasachnik SA, Niemiller ML, Puente‐Rolón AR, Revell LJ. Ecological specialization and morphological diversification in Greater Antillean boas. Evolution 2016; 70:1882-95. [DOI: 10.1111/evo.12987] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 05/23/2016] [Accepted: 05/30/2016] [Indexed: 11/28/2022]
Affiliation(s)
- R. Graham Reynolds
- Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology Harvard University Cambridge Massachusetts 02138
- Current Address: University of North Carolina Asheville Department of Biology, One University Heights Asheville North Carolina 28804
| | - David C. Collar
- Department of Organismal and Environmental Biology Christopher Newport University Newport News Virginia 23606
| | - Stesha A. Pasachnik
- Institute for Conservation Research San Diego Zoo Escondido California 92027
| | - Matthew L. Niemiller
- Illinois Natural History Survey Prairie Research Institute, University of Illinois Urbana‐Champaign Champaign Illinois 61820
| | - Alberto R. Puente‐Rolón
- Departamento de Ciencias y Tecnología Universidad Interamericana de Puerto Rico, Recinto de Arecibo Arecibo Puerto Rico 00614
| | - Liam J. Revell
- Department of Biology University of Massachusetts Boston Boston Massachusetts 02125
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Díaz-Lameiro AM, Oleksyk TK, Bird-Picó FJ, Martínez-Cruzado JC. Colonization of islands in the Mona Passage by endemic dwarf geckoes (genus Sphaerodactylus) reconstructed with mitochondrial phylogeny. Ecol Evol 2013; 3:4488-500. [PMID: 24340189 PMCID: PMC3856748 DOI: 10.1002/ece3.770] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Revised: 07/14/2013] [Accepted: 08/12/2013] [Indexed: 11/08/2022] Open
Abstract
Little is known about the natural history of the Sphaerodactylus species endemic to the three islands located in the Mona Passage separating the Greater Antillean islands of Hispaniola and Puerto Rico. In this study, parts of two mitochondrial genes, 16S rRNA and 12S rRNA, were sequenced to determine the relationships between the sphaerodactylids that live in the Mona Passage and other Caribbean species from the same genus. While the main goal was to identify the biogeographical origin of these species, we also identified a genetically distinct type of dwarf gecko that warrants future evaluation as a possible new species. According to the reconstructed phylogenies, we propose a stepwise model of colonization wherein S. nicholsi from southwestern Puerto Rico or a very close ancestor gave rise through a founder event to Sphaerodactylus monensis on Mona Island. In a similar fashion, S. monensis or a very close ancestor on Mona Island gave rise to S. levinsi on Desecheo Island. This study also suggests that the most recent common ancestor between the species from the islands in the Mona Passage and Puerto Rico existed approximately 3 MYA.
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Affiliation(s)
- Alondra M Díaz-Lameiro
- Department of Biology, University of Puerto Rico at Mayagüez Call Box 9000, Mayagüez, Puerto Rico, 00681-9000
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A New Amber-Embedded Sphaerodactyl Gecko from Hispaniola, With Comments On Morphological Synapomorphies of the Sphaerodactylidae. ACTA ACUST UNITED AC 2012. [DOI: 10.3099/529.1] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Heinicke MP, Greenbaum E, Jackman TR, Bauer AM. Phylogeny of a trans-Wallacean radiation (Squamata, Gekkonidae, Gehyra) supports a single early colonization of Australia. ZOOL SCR 2011. [DOI: 10.1111/j.1463-6409.2011.00495.x] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Milián-García Y, Venegas-Anaya M, Frias-Soler R, Crawford AJ, Ramos-Targarona R, Rodríguez-Soberón R, Alonso-Tabet M, Thorbjarnarson J, Sanjur OI, Espinosa-López G, Bermingham E. Evolutionary history of Cuban crocodiles Crocodylus rhombifer and Crocodylus acutus inferred from multilocus markers. ACTA ACUST UNITED AC 2011; 315:358-75. [DOI: 10.1002/jez.683] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2010] [Accepted: 02/07/2011] [Indexed: 11/07/2022]
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Gamble T, Bauer AM, Colli GR, Greenbaum E, Jackman TR, Vitt LJ, Simons AM. Coming to America: multiple origins of New World geckos. J Evol Biol 2011; 24:231-44. [PMID: 21126276 PMCID: PMC3075428 DOI: 10.1111/j.1420-9101.2010.02184.x] [Citation(s) in RCA: 158] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Geckos in the Western Hemisphere provide an excellent model to study faunal assembly at a continental scale. We generated a time-calibrated phylogeny, including exemplars of all New World gecko genera, to produce a biogeographical scenario for the New World geckos. Patterns of New World gecko origins are consistent with almost every biogeographical scenario utilized by a terrestrial vertebrate with different New World lineages showing evidence of vicariance, dispersal via temporary land bridge, overseas dispersal or anthropogenic introductions. We also recovered a strong relationship between clade age and species diversity, with older New World lineages having more species than more recently arrived lineages. Our data provide the first phylogenetic hypothesis for all New World geckos and highlight the intricate origins and ongoing organization of continental faunas. The phylogenetic and biogeographical hypotheses presented here provide an historical framework to further pursue research on the diversification and assembly of the New World herpetofauna.
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Affiliation(s)
- T Gamble
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN 55455, USA.
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Moen DS, Wiens JJ. PHYLOGENETIC EVIDENCE FOR COMPETITIVELY DRIVEN DIVERGENCE: BODY-SIZE EVOLUTION IN CARIBBEAN TREEFROGS (HYLIDAE:OSTEOPILUS). Evolution 2009; 63:195-214. [PMID: 19055679 DOI: 10.1111/j.1558-5646.2008.00538.x] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Daniel S Moen
- Department of Ecology and Evolution, Stony Brook University, Stony Brook, NY 11794-5245, USA.
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Daza JD, Abdala V, Thomas R, Bauer AM. Skull anatomy of the miniaturized gecko Sphaerodactylus roosevelti (Squamata: Gekkota). J Morphol 2008; 269:1340-64. [PMID: 18698607 DOI: 10.1002/jmor.10664] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A detailed description of the skull and jaw of the gecko Sphaerodactylus roosevelti is presented. The bones are described articulated and isolated with special consideration given to the type of suture among joining elements. S. roosevelti was compared with 109 gekkotan species to evaluate the osteological variation and to find characters for cladistic analysis. Changes in the skull associated with the miniaturization process are discussed within the sphaerodactylid geckos. A noticeable increase of overlapping sutures was observed in the snout of the smallest sphaerodactylids compared to other gekkotans. This pattern is convergent with that in miniaturized pygopodids and may be attributed to adaptations for decreasing mechanical resistance of the cranium during feeding or burrowing. New cranial characters support Sphaerodactylinae as a monophyletic group and should be useful for resolving questions such as their relationship with other gekkotans.
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Affiliation(s)
- Juan D Daza
- Biology Department, University of Puerto Rico, San Juan, Puerto Rico 003931-3360.
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Ricklefs R, Bermingham E. The West Indies as a laboratory of biogeography and evolution. Philos Trans R Soc Lond B Biol Sci 2008; 363:2393-413. [PMID: 17446164 PMCID: PMC2606802 DOI: 10.1098/rstb.2007.2068] [Citation(s) in RCA: 112] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Islands have long provided material and inspiration for the study of evolution and ecology. The West Indies are complex historically and geographically, providing a rich backdrop for the analysis of colonization, diversification and extinction of species. They are sufficiently isolated to sustain endemic forms and close enough to sources of colonists to develop a dynamic interaction with surrounding continental regions. The Greater Antilles comprise old fragments of continental crust, some very large; the Lesser Antilles are a more recent volcanic island arc, and the low-lying Bahama Islands are scattered on a shallow oceanic platform. Dating of island lineages using molecular methods indicates over-water dispersal of most inhabitants of the West Indies, although direct connections with what is now southern Mexico in the Early Tertiary, and subsequent land bridges or stepping stone islands linking to Central and South America might also have facilitated colonization. Species-area relationships within the West Indies suggest a strong role for endemic radiations and extinction in shaping patterns of diversity. Diversification is promoted by opportunities for allopatric divergence between islands, or within the large islands of the Greater Antilles, with a classic example provided by the Anolis lizards. The timing of colonization events using molecular clocks permits analysis of colonization-extinction dynamics by means of species accumulation curves. These indicate low rates of colonization and extinction for reptiles and amphibians in the Greater Antilles, with estimated average persistence times of lineages in the West Indies exceeding 30Myr. Even though individual island populations of birds might persist an average of 2Myr on larger islands in the Lesser Antilles, recolonization from within the archipelago appears to maintain avian lineages within the island chain indefinitely. Birds of the Lesser Antilles also provide evidence of a mass extinction event within the past million years, emphasizing the time-heterogeneity of historical processes. Geographical dynamics are matched by ecological changes in the distribution of species within islands over time resulting from adaptive radiation and shifts in habitat, often following repeatable patterns. Although extinction is relatively infrequent under natural conditions, changes in island environments as a result of human activities have exterminated many populations and others--especially old, endemic species--remain vulnerable. Conservation efforts are strengthened by recognition of aesthetic, cultural and scientific values of the unique flora and fauna of the West Indies.
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Affiliation(s)
- Robert Ricklefs
- Department of Biology, University of Missouri-St Louis, 8001 Natural Bridge Road, St Louis, MO 63121-4499, USA.
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BERGMANN PHILIPJ, RUSSELL ANTHONYP. Systematics and biogeography of the widespread Neotropical gekkonid genusThecadactylus(Squamata), with the description of a new cryptic species. Zool J Linn Soc 2007. [DOI: 10.1111/j.1096-3642.2007.00251.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Overton LC, Rhoads DD. Molecular phylogenetic relationships based on mitochondrial and nuclear gene sequences for the Todies (Todus, Todidae) of the Caribbean. Mol Phylogenet Evol 2004; 32:524-38. [PMID: 15223035 DOI: 10.1016/j.ympev.2004.01.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2003] [Revised: 12/30/2003] [Indexed: 11/23/2022]
Abstract
We used mitochondrial/nuclear gene sequence analyses to determine the historical relationships of the endemic species of Todus (Aves: Todidae) from the Caribbean. We collected 1920-bp of nucleotide sequence data from the mitochondrial genes cytochrome b, ATPase 6, ATPase 8, and 591-bp of the single-copy nuclear gene c-mos for all Todus species and representatives of their outgroup taxa (Hylomanes, Barypthengus, Chloroceryle, Ceryle, and Galbula) to reconstruct the evolutionary history (via parsimony and maximum likelihood) of the five Todus species. The substitution rates among the mitochondrial genes were found to be much higher than the substitution rate for the c-mos gene, consequently resulting in higher substitutional saturation for the mitochondrial genes. When we applied weighting schemes to account for the variance in substitutional heterogeneity among the genes then parsimony and likelihood analyses both demonstrate that the genus Todus is monophyletic and closer to the Hylomanes and Barypthengus genera than the Chloroceryle and Ceryle genera. The mitochondrial-gene trees and nuclear-gene trees both show similar results, thus providing support for the relationships among the taxa from loci within two independently evolving genomes. The nuclear gene c-mos was found, therefore, to be a viable nuclear gene candidate for resolving intermediate and deep divergences.
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Affiliation(s)
- Lowell C Overton
- Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA.
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Pramuk JB. COMBINED EVIDENCE AND CLADISTIC RELATIONSHIPS OF WEST INDIAN TOADS (ANURA: BUFONIDAE). HERPETOLOGICAL MONOGRAPHS 2002. [DOI: 10.1655/0733-1347(2002)016[0121:ceacro]2.0.co;2] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Affiliation(s)
- S. Blair Hedges
- Department of Biology and Institute of Molecular Evolutionary Genetics, 208 Mueller Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802
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Dowling HG, Hass CA, Hedges SB, Highton R. Snake relationships revealed by slow-evolving proteins: a preliminary survey. J Zool (1987) 1996. [DOI: 10.1111/j.1469-7998.1996.tb05482.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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22
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Hass CA, Hedges S, Maxson LR. Molecular insights into the relationships and biogeography of West Indian anoline lizards. BIOCHEM SYST ECOL 1993. [DOI: 10.1016/0305-1978(93)90015-j] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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