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Esselstyn JA, Achmadi AS, Handika H, Swanson MT, Giarla TC, Rowe KC. Fourteen New, Endemic Species of Shrew (Genus Crocidura) from Sulawesi Reveal a Spectacular Island Radiation. BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY 2021. [DOI: 10.1206/0003-0090.454.1.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Jacob A. Esselstyn
- Museum of Natural Science and Department of Biological Sciences, Louisiana State University, Baton Rouge, LA
| | - Anang S. Achmadi
- Museum Zoologicum Bogoriense, Indonesian Institute of Sciences, Cibinong, West Java, Indonesia
| | - Heru Handika
- Museum of Natural Science and Department of Biological Sciences, Louisiana State University, Baton Rouge, LA
| | - Mark T. Swanson
- Museum of Natural Science and Department of Biological Sciences, Louisiana State University, Baton Rouge, LA
| | | | - Kevin C. Rowe
- Sciences Department, Museums Victoria, Melbourne, Victoria, Australia
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Handika H, Achmadi AS, Esselstyn JA, Rowe KC. Molecular and morphological systematics of the Bunomys division (Rodentia: Muridae), an endemic radiation on Sulawesi. ZOOL SCR 2020. [DOI: 10.1111/zsc.12460] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Heru Handika
- Department of Biological Sciences Museum of Natural Science Louisiana State University Baton Rouge LA USA
- Sciences Department Museums Victoria Melbourne VIC Australia
- School of Biosciences University of Melbourne Parkville, Melbourne VIC Australia
| | - Anang S. Achmadi
- Museum Zoologicum Bogoriense Indonesian Institute of Sciences Cibinong Indonesia
| | - Jacob A. Esselstyn
- Department of Biological Sciences Museum of Natural Science Louisiana State University Baton Rouge LA USA
| | - Kevin C. Rowe
- Sciences Department Museums Victoria Melbourne VIC Australia
- School of Biosciences University of Melbourne Parkville, Melbourne VIC Australia
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Iwasa MA, Kaneko Y, Kawada SI. Notes on Forefoot Characteristics of the Ryukyu Long-Furred Rat, Diplothrix legata, for Its Arboreal Lifestyle. MAMMAL STUDY 2020. [DOI: 10.3106/ms2019-0076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Masahiro A. Iwasa
- College of Bioresource Sciences, Nihon University, Fujisawa, Kanagawa 252-0880, Japan
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Ali JR, Aitchison JC, Meiri S. Redrawing Wallace’s Line based on the fauna of Christmas Island, eastern Indian Ocean. Biol J Linn Soc Lond 2020. [DOI: 10.1093/biolinnean/blaa018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Abstract
Based on a comprehensive literature survey, we determined the sources of the terrestrial vertebrate species on Christmas Island, asking where they originated relative to Wallace’s Line (the southern end of the divide lies 1100 km to the east, where the Lombok Strait adjoins the eastern Indian Ocean). The two bats, Pipistrellus murrayi and Pteropus natalis, are from the west. Concerning the endemic and ‘resident’ bird species, one is from the west (Collocalia natalis), four are from the east (Accipiter fasciatus, Egretta novaehollandiae, Falco cenchroides and Ninox natalis) and the other 15 are ambiguous or indeterminate. Most of the land-locked species are also from the east: rodents Rattus macleari and Rattus nativitatis, and squamates Cryptoblepharus egeriae, Emoia nativitatis and Lepidodactylus listeria. Additionally, two have westerly origins (Crocidura trichura and Cyrtodactylus sadleiri), one is ambiguous (Emoia atrocostata) and another is unknown (Ramphotyphlops exocoeti). West-directed surface currents that flow across the eastern Indian Ocean towards Christmas Island would have facilitated most of the land-animal colonizations. We therefore suggest that Wallace’s Line be redrawn such that the landmass is placed on the Australasian side of this fundamental biogeographical boundary.
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Affiliation(s)
- Jason R Ali
- Department of Earth Sciences, University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jonathan C Aitchison
- School of Earth and Environmental Sciences, The University of Queensland, St Lucia, Australia
| | - Shai Meiri
- School of Zoology, Tel Aviv University, Tel Aviv, Israel
- The Steinhardt Museum of Natural History, Tel Aviv University, Tel Aviv, Israel
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Martinez Q, Lebrun R, Achmadi AS, Esselstyn JA, Evans AR, Heaney LR, Miguez RP, Rowe KC, Fabre PH. Convergent evolution of an extreme dietary specialisation, the olfactory system of worm-eating rodents. Sci Rep 2018; 8:17806. [PMID: 30546026 PMCID: PMC6293001 DOI: 10.1038/s41598-018-35827-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 11/09/2018] [Indexed: 11/18/2022] Open
Abstract
Turbinal bones are key components of the mammalian rostrum that contribute to three critical functions: (1) homeothermy, (2) water conservation and (3) olfaction. With over 700 extant species, murine rodents (Murinae) are the most species-rich mammalian subfamily, with most of that diversity residing in the Indo-Australian Archipelago. Their evolutionary history includes several cases of putative, but untested ecomorphological convergence, especially with traits related to diet. Among the most spectacular rodent ecomorphs are the vermivores which independently evolved in several island systems. We used 3D CT-scans (N = 87) of murine turbinal bones to quantify olfactory capacities as well as heat or water conservation adaptations. We obtained similar results from an existing 2D complexity method and two new 3D methodologies that quantify bone complexity. Using comparative phylogenetic methods, we identified a significant convergent signal in the rostral morphology within the highly specialised vermivores. Vermivorous species have significantly larger and more complex olfactory turbinals than do carnivores and omnivores. Increased olfactory capacities may be a major adaptive feature facilitating rats' capacity to prey on elusive earthworms. The narrow snout that characterises vermivores exhibits significantly reduced respiratory turbinals, which may reduce their heat and water conservation capacities.
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Affiliation(s)
- Quentin Martinez
- Institut des Sciences de l'Evolution (ISEM, UMR 5554 CNRS-IRD-UM), Université de Montpellier, Place E. Bataillon - CC 064 - 34095, Montpellier Cedex 5, France.
| | - Renaud Lebrun
- Institut des Sciences de l'Evolution (ISEM, UMR 5554 CNRS-IRD-UM), Université de Montpellier, Place E. Bataillon - CC 064 - 34095, Montpellier Cedex 5, France
| | - Anang S Achmadi
- Museum Zoologicum Bogoriense, Research Center For Biology, Indonesian Institute of Sciences (LIPI), Jl.Raya Jakarta-Bogor Km.46, Cibinong, 16911, Indonesia
| | - Jacob A Esselstyn
- Museum of Natural Science, 119 Foster Hall, Louisiana State University, Baton Rouge, Louisiana, 70803, United States
- Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana, 70803, United States
| | - Alistair R Evans
- School of Biological Sciences, 18 Innovation Walk, Monash University, Victoria, 3800, Australia
- Sciences Department, Museums Victoria, Melbourne, Victoria, 3001, Australia
| | - Lawrence R Heaney
- Field Museum of Natural History, 1400 S Lake Shore Drive, Chicago, 60605, United States
| | - Roberto Portela Miguez
- Natural History Museum of London, Department of Life Sciences, Mammal Section, London, United Kingdom
| | - Kevin C Rowe
- Sciences Department, Museums Victoria, Melbourne, Victoria, 3001, Australia
- School of BioSciences, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Pierre-Henri Fabre
- Institut des Sciences de l'Evolution (ISEM, UMR 5554 CNRS-IRD-UM), Université de Montpellier, Place E. Bataillon - CC 064 - 34095, Montpellier Cedex 5, France
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Affiliation(s)
- Bayu Broto
- Department of Wildlife, Fisheries, and Conservation Biology; University of Maine; 5755 Nutting Hall Orono ME 04469 USA
| | - Alessio Mortelliti
- Department of Wildlife, Fisheries, and Conservation Biology; University of Maine; 5755 Nutting Hall Orono ME 04469 USA
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Eldridge RA, Achmadi AS, Giarla TC, Rowe KC, Esselstyn JA. Geographic isolation and elevational gradients promote diversification in an endemic shrew on Sulawesi. Mol Phylogenet Evol 2018; 118:306-317. [DOI: 10.1016/j.ympev.2017.09.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 08/08/2017] [Accepted: 09/25/2017] [Indexed: 01/06/2023]
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Pahl T, McLennan HJ, Wang Y, Achmadi AS, Rowe KC, Aplin K, Breed WG. Sperm morphology of the Rattini – are the interspecific differences due to variation in intensity of intermale sperm competition? Reprod Fertil Dev 2018; 30:1434-1442. [DOI: 10.1071/rd17431] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 04/05/2018] [Indexed: 01/16/2023] Open
Abstract
It is widely accepted that in mammals a causal relationship exists between postcopulatory sexual selection and relative testes mass of the species concerned, but how much it determines sperm size and shape is debatable. Here we detailed for the largest murine rodent tribe, the Rattini, the interspecific differences in relative testes mass and sperm form. We found that residual testes mass correlates with sperm head apical hook length as well as its angle, together with tail length, and that within several lineages a few species have evolved highly divergent sperm morphology with a reduced or absent apical hook and shorter tail. Although most species have a relative testes mass of 1–4%, these derived sperm traits invariably co-occur in species with much smaller relative testes mass. We therefore suggest that high levels of intermale sperm competition maintain a sperm head with a long apical hook and long tail, whereas low levels of intermale sperm competition generally result in divergent sperm heads with a short or non-existent apical hook and shorter tail. We thus conclude that sexual selection is a major selective force in driving sperm head form and tail length in this large tribe of murine rodents.
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Fabre PH, Reeve AH, Fitriana YS, Aplin KP, Helgen KM. A new species of Halmaheramys (Rodentia: Muridae) from Bisa and Obi Islands (North Maluku Province, Indonesia). J Mammal 2017. [DOI: 10.1093/jmammal/gyx160] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Rowe KC, Achmadi AS, Esselstyn JA. A new genus and species of omnivorous rodent (Muridae: Murinae) from Sulawesi, nested within a clade of endemic carnivores. J Mammal 2016. [DOI: 10.1093/jmammal/gyw029] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Rowe KC, Achmadi AS, Esselstyn JA. Repeated evolution of carnivory among Indo-Australian rodents. Evolution 2016; 70:653-65. [PMID: 26826614 DOI: 10.1111/evo.12871] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2015] [Revised: 01/08/2016] [Accepted: 01/12/2016] [Indexed: 12/30/2022]
Abstract
Convergent evolution, often observed in island archipelagos, provides compelling evidence for the importance of natural selection as a generator of species and ecological diversity. The Indo-Australian Archipelago (IAA) is the world's largest island system and encompasses distinct biogeographic units, including the Asian (Sunda) and Australian (Sahul) continental shelves, which together bracket the oceanic archipelagos of the Philippines and Wallacea. Each of these biogeographic units houses numerous endemic rodents in the family Muridae. Carnivorous murids, that is those that feed on animals, have evolved independently in Sunda, Sulawesi (part of Wallacea), the Philippines, and Sahul, but the number of origins of carnivory among IAA murids is unknown. We conducted a comprehensive phylogenetic analysis of carnivorous murids of the IAA, combined with estimates of ancestral states for broad diet categories (herbivore, omnivore, and carnivore) and geographic ranges. These analyses demonstrate that carnivory evolved independently four times after overwater colonization, including in situ origins on the Philippines, Sulawesi, and Sahul. In each biogeographic unit the origin of carnivory was followed by evolution of more specialized carnivorous ecomorphs such as vermivores, insectivores, and amphibious rats.
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Affiliation(s)
- Kevin C Rowe
- Sciences Department, Museum Victoria, Melbourne, Australia.
| | - Anang S Achmadi
- Research Center for Biology, Museum Zoologicum Bogoriense, Cibinong, Jawa Barat, Indonesia
| | - Jacob A Esselstyn
- Museum of Natural Science, 119 Foster Hall, Louisiana State University, Baton Rouge, Louisiana, 70803.,Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana, 70803
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Esselstyn JA, Achmadi AS, Handika H, Rowe KC. A hog-nosed shrew rat (Rodentia: Muridae) from Sulawesi Island, Indonesia. J Mammal 2015. [DOI: 10.1093/jmammal/gyv093] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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