論文 - Reimer James Davis

Investigating incidence and possible causes of pink and purple pigmentation response in hard coral genus Porites around Okinawajima Island, Japan

Kubomura T.

Regional Studies in Marine Science ( Regional Studies in Marine Science )  41   2021年01月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Loss of natural coastline influences species diversity of anemonefish and host anemones in the Ryukyu Archipelago

Hayashi K.

Aquatic Conservation: Marine and Freshwater Ecosystems ( Aquatic Conservation: Marine and Freshwater Ecosystems )  31 ( 1 ) 15 - 27   2021年01月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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A new Antipathozoanthus species (Cnidaria, Hexacorallia, Zoantharia) from the northwest Pacific Ocean.

Kise H, Obuchi M, Reimer JD

ZooKeys ( ZooKeys )  1040 ( 1040 ) 49 - 64   2021年 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

　概要を見る

A new species of zoantharian within the genus <italic>Antipathozoanthus</italic> is described based on specimens collected from the coast of mainland Japan, northwest Pacific Ocean. <italic>Antipathozoanthus tubus</italic><bold>sp. nov.</bold> is characterized by its substrate (epibiotic on polychaete tube) and habitat (exposed rock). As well, the results of molecular phylogenetic analyses using concatenated multiple genetic markers also support the distinction between <italic>A. tubus</italic><bold>sp. nov.</bold> and its congenerics. <italic>Antipathozoanthus tubus</italic><bold>sp. nov.</bold> is the first species of <italic>Antipathozoanthus</italic> species reported to be epibiotic on polychaete tubes, and is the second species in the genus that is not associated with antipatharians.

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Zoantharian Endosymbiont Community Dynamics During a Stress Event.

Fujiwara Y, Kawamura I, Reimer JD, Parkinson JE

Frontiers in microbiology ( Frontiers in Microbiology )  12   674026   2021年 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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An integrative approach reveals a new species of Zoantharia (Cnidaria, Anthozoa), Terrazoanthus silveirai, in the South-western Atlantic Ocean

Vaga C.F.

Marine Biology Research ( Marine Biology Research )  17 ( 7-8 ) 603 - 614   2021年 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Environmental DNA can act as a biodiversity barometer of anthropogenic pressures in coastal ecosystems

DiBattista J.D.

Scientific Reports ( Scientific Reports )  10 ( 1 )   2020年12月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Description of the sea pen Calibelemnon hinoenma sp. nov. from shallow waters in southern Japan

Kushida Y.

Marine Biodiversity ( Marine Biodiversity )  50 ( 6 )   2020年12月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

　概要を見る

Sea pen species of the genus Calibelemnon are important components of soft bottom communities. Here, we formally describe Calibelemnon hinoenma sp. nov. from shallow waters in Amami Oshima, Kagoshima in the Ryukyu Islands, via molecular and morphological observations and analyses. This species can be distinguished from its congeners by the presence of paired autozooids, siphonozooids aligned irregularly in one to three rows at the side of the rachis between polyps, and the red-brown rufous color of the oral disks. Phylogenetically, the new species is located in an Anthoptilum-Umbellula-Calibelemnon clade. Ancestral state reconstruction analyses suggest that Calibelemnon species may have undergone at least two habitat changes, from shallow to deep waters, followed by a return to shallow waters. In the Ryukyu Islands, there have been many recent discoveries of unique marine species, with this sea pen species being the latest.

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Functional diversity of reef molluscs along a tropical-to-temperate gradient

Floyd M.

Coral Reefs ( Coral Reefs )  39 ( 5 ) 1361 - 1376   2020年10月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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<title>Abstract</title> Global warming is leading to range shifts of marine species, threatening the structure and functioning of ecological communities and human populations that rely on them. The largest changes are seen in biogeographic transition zones, such as subtropical reef communities, where species range shifts are already causing substantial community reorganisation. This causes functional changes in communities over subtropical latitudes, though a baseline functional understanding remains elusive for many taxa. One key marine taxon are molluscs, which provide many ecosystem services, are important prey for fishes and are also fisheries targets themselves, but remain largely unstudied. Here, we examine the trait composition, functional diversity, and functional redundancy of mollusc assemblages along the tropical-to-temperate transition in Japan (25° to 35° Northern latitude). Specifically, we use a trait database of 88 mollusc species from 31 subtropical reefs along the Pacific coast of Japan to show that trait composition of mollusc assemblages changes continuously along the latitudinal gradient. We discover that functional diversity of mollusc assemblages decreases with increasing latitude, a pattern associated with declines in functional dispersion. Moreover, we find a clear distinction between tropical and subtropical mollusc assemblages, with substrate-attached, suspension feeding bivalves more abundant in the tropics and free-living gastropod grazers more prevalent at higher latitudes. Our trait-based evidence in this study shows a contraction and almost complete shift in the functioning of marine mollusc assemblages at biogeographic transition zones and our trait database facilitates further study. Our findings provide evidence of the changing taxonomic and functional composition of extant mollusc communities with latitude, pointing to potential pertinent changes and tropicalisation of these communities with rapid ocean warming.

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Crinoid diversity and their symbiotic communities at Bangka Island (North Sulawesi, Indonesia)

Virgili R.

Marine Biodiversity ( Marine Biodiversity )  50 ( 5 )   2020年10月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Diversity of feeding in anthozoa (Cnidaria): A systematic review

Santos T.B.

Diversity ( Diversity )  12 ( 10 ) 1 - 9   2020年10月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Palaeoclimate ocean conditions shaped the evolution of corals and their skeletons through deep time

Quattrini A.M.

Nature Ecology and Evolution ( Nature Ecology and Evolution )  4 ( 11 ) 1531 - 1538   2020年08月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Symbiodiniaceae diversity of Palythoa tuberculosa in the central and southern Red Sea influenced by environmental factors

Wee H.B.

Coral Reefs ( Coral Reefs )  39 ( 6 ) 1619 - 1633   2020年08月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Ceriantharia (Cnidaria) of the world: An annotated catalogue and key to species

Stampar S.N.

ZooKeys ( ZooKeys )  952 ( 952 ) 1 - 63   2020年07月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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The diversity of Ceriantharia is known from studies formally describing species from the late 18^th Century onwards. However, no nomenclators including a list and discussion of all valid species have been produced since a list discussed by Carlgren in 1912. The present nomenclator presents a complete list of adult species of Ceriantharia of the World, including a discussion on each species. It includes the three families (Arachnactidae, Botrucnidiferidae, Cerianthidae) and the currently accepted 54 species based on their adult form. This study serves as a presentation of the “state-of-the-art” list of species of Ceriantharia, and includes a species identification key to support taxonomic identification. Additional in-depth species-by-species investigations for almost all cerianthid species is still needed, as the information available for most of these species is quite superficial.

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The diversity of Symbiodiniaceae hosted by Palythoa tuberculosa found at the edge of the South China Sea

HIN BOO WEE, YEE WAH LAU, KERYEA SOONG, REIMER DAVIS

Journal of Sustainability Science and Management ( Penerbit UMT, Universiti Malaysia Terengganu )  15 ( 4 ) 54 - 65   2020年06月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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First observation of mole-like burrowing behavior observed in a sea pen

Kushida Y.

Marine Biodiversity ( Marine Biodiversity )  50 ( 3 )   2020年06月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Anemonefish aggressiveness affects the presence of Dascyllus trimaculatus co-existing with host anemones

Hayashi K.

Marine Biology ( Marine Biology )  167 ( 6 )   2020年06月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Widespread occurrence of a rarely known association between the hydrocorals stylaster roseus and millepora alcicornis at Bonaire, Southern Caribbean

Montano S.

Diversity ( Diversity )  12 ( 6 ) 218 - 218   2020年05月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

　概要を見る

Among symbiotic associations, cases of pseudo-auto-epizoism, in which a species uses a resembling but not directly related species as substrate, are poorly documented in coral reef ecosystems. In the present study, we assessed the distribution of an association between the hydrocorals Stylaster roseus and Millepora alcicornis on about 50% of coral reef sites studied in Bonaire, southern Caribbean. Although previously thought to be uncommon, associations between the lace coral S. roseus and the fire coral M. alcicornis were observed at both the windward and leeward sides of Bonaire, mainly between 15 and 25 m depth, reaching a maximum occupation of 47 S. roseus colonies on a single M. alcicornis colony. Both species’ tissues did not show any signs of injuries, while an in-depth inspection of the contact points of their skeletons revealed that both partners can partially overgrow each other. How it is possible that S. roseus is able to settle on the stinging tissue of Millepora as well as how, by contrast, the latter may facilitate the lace coral by offering a certain degree of protection are questions that deserve further investigations.

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Cnidaria and Ctenophora: Review of deep-sea Cnidaria and Ctenophora fauna in the NW Pacific Ocean

Reimer, J.D, Yanagi, K, Kise, H, Poliseno, A, Kushida, Y, Saeedi, H, Lindsay, D.J

Biogeographic Atlas of the Deep NW Pacific Fauna (eds. Saeedi, H. & Brandt, A.). Pensoft Publishers Ltd., Sofia, Bulgaria. ( Pensoft Publishers )    67 - 88   2020年05月 [ 査読有り ]

掲載種別: 研究論文（その他学術会議資料等）

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A Goniopora stokesi community at Tatsugasako, Otsuki, Kochi, Japan : a new northernmost specimen-based record

Reimer J.D.

日本ベントス研究会連絡誌 ( 日本プランクトン学会、日本ベントス学会 )  15 ( 2 ) 185 - 187   2020年05月 [ 査読有り ]

掲載種別: 研究論文（その他学術会議資料等）

　概要を見る

<p>The zooxanthellate scleractinian species <i>Goniopora</i> <i>stokesi</i> is widely distributed across the Indo-Pacific Ocean, and in Japan the northernmost records of this species are from Tatsukushi, Kochi on Shikoku, although these records are not associated with specimens deposited in museums. The species is unique among <i>Goniopora</i> in that it lives on soft bottom sediment, forming free-living colonies, and produces asexual daughter colonies, or ‘polyp balls,’ via budding from parent colonies. Here we report on a large <i>G</i>. <i>stokesi</i> community from Otsuki, Kochi, Japan, representing the northernmost specimen-based record of the species. Specimen-based records are important as verifiable baseline data in light of global warming and climate change, which is expected to drastically effect the marine flora and fauna of Kochi and surrounding areas.</p>

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Two new species of the genus Chironephthya (Octocorallia, Alcyonacea, Nidaliidae, Siphonogorgiinae) from the Gulf of Thailand

Imahara Y.

Zootaxa ( Zootaxa )  4780 ( 2 ) 324 - 340   2020年05月 [ 査読有り ]

掲載種別: 研究論文（学術雑誌）

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Two new species of the genus Chironephthya, C. sirindhornae sp. nov. and C. cornigera sp. nov., are described based on three specimens collected from the Gulf of Thailand. Both species are well distinguished from the previously described species of the genus Chironephthya by their colonies consisting of multiple stems that stand upright from a common base, and by a significantly thinner canal wall without large spindles. As a result of phylogenetic analyses using COI, mtMutS, and 28S rDNA sequences of these two species, these three specimens constituted an independent small clade within a large mixed clade of Siphonogorgia and Chironephthya, with the two species slightly different from each other. The discrepancy in the morphology suggested the erection of a new genus to accommodate these species, however, as the subclade was included in a large mixed clade of Siphonogorgia and Chironephthya, we place these species within genus Chironephthya. Our results further highlight the continuing confusion between Siphonogorgia and Chironephthya, and demonstrate the need for taxonomic revision of these genera.

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