• <tr id="yyy80"></tr>
  • <sup id="yyy80"></sup>
  • <tfoot id="yyy80"><noscript id="yyy80"></noscript></tfoot>
  • 99热精品在线国产_美女午夜性视频免费_国产精品国产高清国产av_av欧美777_自拍偷自拍亚洲精品老妇_亚洲熟女精品中文字幕_www日本黄色视频网_国产精品野战在线观看 ?

    Liobagrus chengduensis,a new species of torrent catfish (Teleostei:Siluriformes:Amblycipitidae) from the upper Changjiang River basin in southwest China

    2022-08-05 10:43:00Zhong-GuangChen,Yan-ShuGuo,Jia-YunWu
    Zoological Research 2022年4期
    關鍵詞:成都

    DEAR EDITOR,

    A new torrent catfish species,Liobagrus chengduensissp.nov.,is described from the Xihe River,a tributary of the Minjiang River,Qionglai City,Chengdu City,Sichuan Province,China.It can be distinguished from all other congeneric species by a unique combination of the following characters:3–4 serrations on posterior edge of pectoral-fin spine;anal fin with 15–16 rays;upper jaw obviously shorter than lower jaw;caudal fin rounded,with 42–44 rays;vertebral column with 36–37 post-Weberian elements;anus close to pelvic-fin insertion;adipose fin posteriorly continuous with caudal fin,with marked incision at confluence;body generally brownish yellow;all fins lacking well-defined light-colored margins,with color fading towards edge.

    The genusLiobagrusis a group of small freshwater catfish belonging to the family Amblycipitidae.So far,18 species ofLiobagrushave been described,10 of which are distributed in mainland China.The upper Changjiang River contains the highest diversity ofLiobagrusin China,with seven species recorded in this region:i.e.,L.marginatus,L.nigricauda,L.marginatoides,L.kingi,L.aequilabris,L.chenghaiensisandL.pseudostyani(Chen et al.,2021b;Ding,1994;He,1999;Sun et al.,2013;Xie,2017).

    The Chengdu Plain,located in southwestern China,contains the Minjiang and Tuojiang rivers,which form an extensive water network with rich fish diversity.The region belongs to the upper Changjiang River basin and has a unique fish composition with many endemic species.In recent years,following in-depth investigations and field surveys,many new fish species,such asYunnanilus jiuchiensis,Rhodeus cyanorostris,Acheilognathus mengyangensis,andLiobagrus pseudostyani,have been discovered in this region (Chen &Guo,2021;Chen et al.,2021a;Du et al.,2018;Li et al.,2020).These discoveries indicate that fish diversity in the Chengdu Plain has not yet been fully explored.Based on a field survey conducted from January 2020 to January 2021 in the Xihe River,a tributary of the Minjiang River in Qionglai City,severalLiobagrusspecimens with a serrated posterior edge on the pectoral-fin spine were found,representing an undescribed species.

    All nine specimens were collected from the Xihe River,a tributary of the Minjiang River,Qionglai City,Chengdu City,Sichuan Province,China.The specimens were collected by hand net and fish trap.The right pectoral fins of six specimens were fixed in 95% ethanol for DNA extraction.All specimens were fixed in 10% formalin and later transferred to 75%ethanol for long-term storage.Measurements were taken point-to-point with digital calipers recorded to the nearest 0.1 mm.Counts and measurements followed Hubbs &Lagler(1964).Vertebrae and anal-fin rays were detected and counted using micro-computed tomography (Quantum GX Ⅱ,PerkinElmer,USA).

    Genomic DNA was extracted from pectoral fins preserved in 95% ethanol using an Animal Genomic DNA Kit (Tsingke,China).Phylogenetic relationships were studied using the cytbsequence amplified using primers L14724 (GACTTGA AAAACCACCGTTG) and H15915 (CTCCGATCTCCGGAT TACAAGAC).Polymerase chain reaction (PCR) amplifications of cytbwere performed in a final 23 μL volume mixture containing 1 μL of template DNA,1 μL of each pair of primers,and 20 μL of 1×T3 Super PCR Mix (Tsingke,China).Thermal cycling began with one cycle at 98 ℃ for 5 min,followed by 35 cycles of denaturation at 98 ℃ for 10 s,60 ℃ for 10 s,and 72 ℃ for 10 s,with a final extension step at 72 ℃ for 2 min.The PCR products were purified and sequenced using an ABI 3730XL analyzer by Tsingke Biological Technology (China).The accession numbers of 14 otherLiobagrusspecies and all newly obtained sequences are given in Supplementary Table S1.

    Genes were aligned using MEGA v6 and checked by eye.Phylogenetic relationships were estimated using Bayesian inference (BI),with partitions based on genes and codon positions.Xiurenbagrus gigasandX.xiurenensiswere used as the outgroup for rooting the tree.PhyloSuite v1.2.2 was used for analysis and to determine the best-fit model(GTR+I+G) for sequence evolution.Trees were visualized in FigTree v.1.4.3 and PowerPoint 2016.

    Institutional abbreviations include the following:College of Life Sciences,Sichuan Agricultural University,Ya’an,China(SAULS);Natural History Museum,London,UK (BMNH);Institute of Zoology,Chinese Academy of Sciences,Beijing,China (ASIZB);Chonbuk National University,Jeonju,South Korea (CNUC);Field Museum of Natural History,Chicago,USA (FMNH);Sichuan Academy of Forestry Sciences,Chengdu,China (SAFS);Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan,China (IHB).

    Taxonomy

    Liobagrus chengduensis sp.nov.

    Figure 1A–C;Supplementary Table S2

    Holotype:SAULS 2104001,39.9 mm SL,Xihe River(N30°24'48",E103°26'15"),Qionglai City,Chengdu City,Sichuan Province,China,collected by Zhong-Guang Chen on 12 January 2021.

    Paratypes:SAULS 2101001,41.0 mm SL,collected by Xin Liu on 15 January 2020;SAULS 2103001,45.7 mm SL,collected by Zhong-Guang Chen on 5 March 2021;SAULS 2101042–2101047,35.2–46.9 mm SL;collected by Zhong-Guang Chen on 12 January 2021;other information same as holotype.

    Diagnosis:Liobagrus chengduensissp.nov.can be distinguished fromL.reinii,L.formosanus,L.styani,L.nantoensis,L.anguillicauda,L.marginatoides,andL.aequilabrisby pectoral-fin spine with serrated posterior edge(vs.pectoral-fin spine with smooth posterior edge).WhileLiobagrus chengduensissp.nov.,L.marginatus,L.nigricauda,L.kingi,L.chenghaiensis,L.huaiheensis,L.pseudostyani,L.andersoni,L.mediadiposalis,L.obesus,L.somjinensis,andL.hyeongsanensisare defined by pectoralfin spine with serrated posterior edge,the new species can be distinguished from all other species in this group by the following characteristics:upper jaw obviously shorter than lower jaw (vs.longer inL.mediadiposalis,L.somjinensis,L.hyeongsanensis,L.huaiheensis,andL.pseudostyani),analfin rays 15–16 (vs.11–14 inL.marginatus,9–12 inL.kingi,10–12 inL.chenghaiensis,and 13–14 inL.mediadiposalis),post-Weberian vertebrae 36–37 (vs.more than 37 inL.andersoni,L.mediadiposalis,L.obesus,L.somjinensis,andL.hyeongsanensis),caudal fin rounded (vs.subtruncate inL.marginatus,L.chenghaiensis,L.andersoni,L.mediadiposalis,andL.somjinensis),anus closer to pelvic-fin insertion than to anal-fin origin (vs.closer to anal-fin origin than to pelvic-fin insertion inL.kingi,L.andersoni,andL.obesus),marked incision present at confluence between adipose and caudal fin(vs.incision absent inL.nigricauda,L.hyeongsanensis,andL.pseudostyani),posterior margin of pectoral-fin spine not reaching dorsal-fin base (vs.reaching dorsal-fin base inL.marginatus,L.nigricauda,L.kingi,L.chenghaiensis,L.huaiheensis,L.andersoni,L.mediadiposalis,L.obesus,andL.somjinensis) (Supplementary Table S3).

    Description:Morphometric data of holotype and paratypes are shown in Supplementary Table S2.Body elongated,anteriorly terete and posteriorly evenly compressed to tail.Lateral line short with 3–5 pores.Head depressed and broad when viewed dorsally.Snout broadly rounded in dorsal view.Anterior nostril tubular,rim with fleshy flap forming short tube;posterior nostril pore-like,rim posteriorly confluent with base of nasal barbel.Eye small,dorsolateral,and subcutaneous.Mouth terminal;upper jaw obviously shorter than lower jaw.Lips thickened.Premaxillary and mandibular tooth pads curved,with small and setiform teeth.Palatine teeth absent.Four pairs of barbels,maxillary barbel long,not extending to pectoral-fin insertion;nasal barbel short,not extending to gillmembrane margin;inner mandibular barbel approximately half of outer mandibular barbel length,not extending to pectoral-fin insertion;outer mental barbel longest,not extending to pectoral-fin insertion.Dorsal fin with II,5 rays,distal margin convex;tip of adpressed fins not reaching pelvic-fin insertion.Dorsal-fin spine covered with thick skin,straight,with smooth anterior and posterior margin,slightly longer than pectoral-fin spine.Adipose fin high,base longer than anal-fin base,confluent with caudal fin,forming marked incision at confluence.Pectoral fin with I,6 rays,origin at vertical through edge of operculum,partially covered by opercular membrane.Pectoral-fin spine short and sharp,with 3–4 large and retrorse serrations on posterior edge (Figure 1B),tip not reaching dorsal-fin insertion.Pelvic fin with i,5 rays;short,with adpressed tip not reaching anal-fin origin.Anal fin with 15–16 rays;distal margin rounded;tip of adpressed fin reaching beyond posterior edge of adipose fin.Anus closer to pelvic-fin insertion than to anal-fin origin.Caudal fin rounded,with 42–44 rays.Vertebral column with 36–37 post-Weberian elements.

    Coloration:Body generally brownish yellow,fading to light yellow ventrally.All barbels gray.Dorsal,adipose,and caudal fins brownish yellow.Unlike most congeneric species,all fins lack well-defined light-colored edges.Fins dark at base,fading to lighter color towards edges (Figure 1A).

    Distribution and ecology:Liobagrus chengduensissp.nov.is currently only known from the Xihe River,a tributary of the Minjiang River,Qionglai City,Chengdu City,Sichuan Province,China (Figure 1F).The new species is nocturnal and benthic and inhabits the bottom of upstream running waters with pebble substrates,together withL.aff.kingiandL.pseudostyani(Figure 1E),whileL.marginatusinhabits in the main stream of the Minjiang River.

    Etymology:The species is named after Chengdu City,its type locality.The proposed Chinese name is “成都?” and the proposed English common name is Chengdu Torrent Catfish.

    Genetic comparisons:The validity ofLiobagrus chengduensissp.nov.was supported by molecular phylogenetic analysis based on cytbsequences (Figure 1D).Liobagrus chengduensissp.nov.was located at the base of the phylogenetic tree ofLiobagrusspecies distributed in mainland China and formed a distinct lineage.The genetic distances betweenLiobagrus chengduensissp.nov.and other congeneric species ranged from 8.7% to 12.0%(Supplementary Table S4).

    Figure 1 Living specimen,pectoral-fin spine,phylogenetic position,habitat,and sampling locality of Liobagrus chengduensis sp.nov.

    Remarks:Species ofLiobagruscan be divided into two groups based on the presence of a smooth or serrated posterior edge of the pectoral-fin spine.Thus far,the group defined by the presence of a serrated posterior edge includes 11 species.Within this group,Liobagrus chengduensissp.nov.is most similar toL.hyeongsanensisbased on small body size,short pectoral-fin spine,and lack of well-defined light-colored edges on all fins,but they differ from each other based on presence of marked incision at confluence between adipose and caudal fin (vs.absent inL.hyeongsanensis) and upper jaw obviously shorter than lower jaw (vs.longer inL.hyeongsanensis).Liobagrus chengduensissp.nov.also resemblesL.nigricaudabased on the similar position of upper and lower jaws and caudal fin shape,but differs based on marked incision at confluence between adipose and caudal fins (vs.incision absent inL.nigricauda) and shorter pectoralfin spine with tip not reaching dorsal-fin insertion (vs.reaching inL.nigricauda).Liobagrus chengduensissp.nov.is similar toL.marginatus,L.kingi,L.chenghaiensis,L.andersoni,andL.obesusbased on similar positions of upper and lower jaws(upper jaw shorter or equal to lower jaw),but differs from these species based on the lack of well-defined light-colored edges on all fins (vs.edges light-colored).The new species also differs fromL.marginatus,L.chenghaiensis,andL.andersoniby caudal fin rounded (vs.caudal fin subtruncate)and fromL.kingiandL.obesusby anus closer to pelvic-fin insertion than to anal-fin origin (vs.closer to anal-fin origin than to pelvic-fin insertion).Liobagrus chengduensissp.nov.can be easily distinguished fromL.huaiheensis,L.mediadiposalis,andL.somjinensisby upper jaw obviously shorter than lower jaw (vs.upper jaw longer).The new species can be further distinguished fromL.huaiheensisby pectoral-fin spine 5.1%–6.6% SL (vs.6.7%–9.4% SL) and fromL.mediadiposalisandL.somjinensisby caudal fin rounded (vs.caudal fin subtruncate).

    Typically,only one or two species ofLiobagrusare distributed in the same river basin.However,surveys conducted in the middle reaches of the Minjiang River have identified four species ofLiobagrus,three of which are found in the Xihe River.Based on body size and position of the upper and lower jaws,it is speculated that niche differentiation may have occurred among the three sympatric species.Notably,L.pseudostyaniis larger (>150 mm SL),with a longer upper jaw than lower jaw;L.aff.kingiis intermediate in size(~100 mm SL),with a slightly shorter (or equal) upper jaw than lower jaw;andLiobagrus chengduensissp.nov.is smaller(<50 mm SL),with an obviously shorter upper jaw than lower jaw.In addition toLiobagrus chengduensissp.nov.,L.pseudostyaniis also recently described,suggesting that species diversity ofLiobagrusin the Minjiang River basin remains to be explored.Even in small urban rivers of the Chengdu Plain,diverse species ofLiobagrusoccur.Thus,extensive exploration of small river fish resources in the Chengdu Plain should be strengthened in the future,which may lead to the discovery of yet-to-be-described species.

    NOMENCLATURAL ACTS REGISTRATION

    The electronic version of this article in portable document format will represent a published work according to the International Commission on Zoological Nomenclature (ICZN),and hence the new names contained in the electronic version are effectively published under that Code from the electronic edition alone (see Articles 8.5–8.6 of the Code).This published work and the nomenclatural acts it contains have been registered in ZooBank,the online registration system for the ICZN.The ZooBank LSIDs (Life Science Identifiers) can be resolved and the associated information can be viewed through any standard web browser by appending the LSID to the prefix http://zoobank.org/.

    Publication LSID:

    urn:lsid:zoobank.org:pub:7BDFDA66-CACB-4515-878E-4D838F 973D92

    Nomenclatural act LSID:

    urn:lsid:zoobank.org:act:9D80E4E2-B036-42BC-916D-CFCF10 7EEA2B

    SCIENTIFIC FIELD SURVEY PERMISSION INFORMATION

    Field collections followed the rules of the Fisheries Law of the People’s Republic of China.All activities conformed to the Laboratory Animal Guidelines for the Ethical Review of Animal Welfare (GB/T 35892-2018).

    SUPPLEMENTARY DATA

    Supplementary data to this article can be found online.

    COMPETING INTERESTS

    The authors declare that they have no competing interests.

    AUTHORS’ CONTRIBUTIONS

    Z.G.C.and Y.S.G.designed the study.Z.G.C.collected the specimens.Z.G.C.and Y.S.G.examined the specimens and performed morphological comparisons.Z.G.C.and J.Y.W.conducted molecular analysis.Z.G.C.,Y.S.G.,and A.X.W.prepared the manuscript.All authors read and approved the final version of the manuscript.

    ACKNOWLEDGEMENTS

    We thank associate researcher Jie Wang (Chengdu Institute of Biology,Chinese Academy of Sciences) and Dr.Cheng Shen (Chengdu Institute of Biology,Chinese Academy of Sciences) for providing micro-CT examination;Xin Liu(Sichuan Agricultural University) for presenting specimens;Wei Lei (Chengdu) and Yi Feng (Chengdu) for assistance in collecting specimens;and Zhi-Xian Sun (Institute of Zoology,Chinese Academy of Sciences) for photo retouching.

    Zhong-Guang Chen1,Yan-Shu Guo2,Jia-Yun Wu1,An-Xiang Wen1,*

    1College of Life Sciences,Sichuan Agricultural University,Ya’an,Sichuan625014,China

    2Ecological Restoration and Conservation on Forest and Wetland Key Laboratory of Sichuan Province,Sichuan Academy of Forestry Sciences,Chengdu,Sichuan610081,China

    *Corresponding author,E-mail:2960657740@qq.com

    猜你喜歡
    成都
    成都THE REPUBLIQUE廾界買手店
    七年后再入蜀 成都街頭走一走
    穿過成都去看你
    青年歌聲(2019年2期)2019-02-21 01:17:20
    感受成都“慢”生活
    金橋(2018年1期)2018-09-28 02:24:46
    數(shù)看成都
    先鋒(2018年2期)2018-05-14 01:16:16
    春天來了,到成都的周邊走走
    學生天地(2017年8期)2017-05-17 05:49:57
    成都
    汽車與安全(2016年5期)2016-12-01 05:21:56
    古今共存的成都
    海峽旅游(2015年9期)2015-05-30 03:00:24
    “蓉漂”為何選擇成都
    成都,Can do
    美女 人体艺术 gogo| 我的女老师完整版在线观看| 国产色爽女视频免费观看| 国产真实乱freesex| 少妇的逼好多水| 久久国产乱子伦精品免费另类| 赤兔流量卡办理| 欧美高清性xxxxhd video| 欧美成人一区二区免费高清观看| 性色av乱码一区二区三区2| 琪琪午夜伦伦电影理论片6080| 男人舔女人下体高潮全视频| 国产野战对白在线观看| 身体一侧抽搐| 永久网站在线| 免费av不卡在线播放| 成人高潮视频无遮挡免费网站| 黄色丝袜av网址大全| 极品教师在线视频| 国产欧美日韩精品亚洲av| 国产伦精品一区二区三区视频9| 91久久精品电影网| 18禁在线播放成人免费| 国产真实乱freesex| 在线观看舔阴道视频| 性色avwww在线观看| 88av欧美| 中文字幕人成人乱码亚洲影| 欧美日本视频| 黄片小视频在线播放| 搞女人的毛片| 18禁黄网站禁片午夜丰满| 日本一二三区视频观看| 国产成人影院久久av| 亚洲成av人片免费观看| 欧美成人a在线观看| 我要搜黄色片| 黄片小视频在线播放| 成年人黄色毛片网站| 亚洲专区国产一区二区| 国产精品亚洲美女久久久| 淫妇啪啪啪对白视频| 淫秽高清视频在线观看| 老司机深夜福利视频在线观看| 精品无人区乱码1区二区| 精品久久久久久久末码| 两人在一起打扑克的视频| 国产综合懂色| 免费观看精品视频网站| 在线观看舔阴道视频| 9191精品国产免费久久| 99精品在免费线老司机午夜| 欧美最黄视频在线播放免费| 久久久久性生活片| 国产一区二区在线av高清观看| 99热只有精品国产| 国产精品av视频在线免费观看| 亚洲专区中文字幕在线| 嫩草影视91久久| 热99在线观看视频| 欧美日韩中文字幕国产精品一区二区三区| 日韩欧美在线二视频| 乱码一卡2卡4卡精品| 黄色配什么色好看| 国产精品久久久久久久电影| 亚洲国产精品999在线| 99热只有精品国产| 69人妻影院| 欧美色视频一区免费| 老司机午夜福利在线观看视频| 内地一区二区视频在线| 一个人看视频在线观看www免费| 国产精品一区二区性色av| 男女下面进入的视频免费午夜| 淫秽高清视频在线观看| 午夜福利成人在线免费观看| 91在线观看av| 麻豆久久精品国产亚洲av| 日韩欧美精品v在线| 五月玫瑰六月丁香| 午夜老司机福利剧场| 久久久久精品国产欧美久久久| 两性午夜刺激爽爽歪歪视频在线观看| 国产男靠女视频免费网站| 亚洲综合色惰| 免费看美女性在线毛片视频| 久9热在线精品视频| 精品久久久久久久久久久久久| 国产伦在线观看视频一区| 亚洲一区二区三区色噜噜| 热99在线观看视频| 毛片一级片免费看久久久久 | 亚洲最大成人中文| 欧美一区二区精品小视频在线| 国产高清激情床上av| 九九热线精品视视频播放| 青草久久国产| 九色国产91popny在线| 欧美不卡视频在线免费观看| 国产蜜桃级精品一区二区三区| 国内毛片毛片毛片毛片毛片| 久久久久性生活片| 欧美日韩国产亚洲二区| 国产乱人视频| 99国产精品一区二区蜜桃av| 如何舔出高潮| 老司机深夜福利视频在线观看| 国产乱人视频| 国产精品爽爽va在线观看网站| 亚洲欧美日韩高清专用| 欧美最黄视频在线播放免费| 国产午夜福利久久久久久| 草草在线视频免费看| av在线天堂中文字幕| 禁无遮挡网站| 别揉我奶头 嗯啊视频| 午夜免费男女啪啪视频观看 | 日韩欧美三级三区| 国模一区二区三区四区视频| 又黄又爽又刺激的免费视频.| 亚洲av五月六月丁香网| 久久精品国产清高在天天线| 日日干狠狠操夜夜爽| 日本撒尿小便嘘嘘汇集6| 最近最新中文字幕大全电影3| 天天一区二区日本电影三级| 亚洲精品成人久久久久久| 亚洲av日韩精品久久久久久密| 久久午夜亚洲精品久久| 日日夜夜操网爽| 亚洲精品在线美女| 亚洲av.av天堂| 一个人观看的视频www高清免费观看| 久久久久久久久大av| 国产主播在线观看一区二区| 嫩草影院入口| www.熟女人妻精品国产| 亚洲成人免费电影在线观看| 丰满的人妻完整版| 欧美成狂野欧美在线观看| 又爽又黄无遮挡网站| 精品久久久久久久末码| а√天堂www在线а√下载| 亚洲七黄色美女视频| 亚洲精华国产精华精| 久久久久国内视频| 亚洲精品影视一区二区三区av| 超碰av人人做人人爽久久| 欧美性感艳星| 久久九九热精品免费| 亚洲第一欧美日韩一区二区三区| 欧美极品一区二区三区四区| 国产在线精品亚洲第一网站| 亚洲国产日韩欧美精品在线观看| 成年版毛片免费区| 日韩免费av在线播放| 欧美在线黄色| 波多野结衣高清作品| 国产一区二区三区在线臀色熟女| 中国美女看黄片| 51国产日韩欧美| 直男gayav资源| 免费一级毛片在线播放高清视频| 欧美激情国产日韩精品一区| 韩国av一区二区三区四区| 麻豆成人av在线观看| 身体一侧抽搐| 深夜a级毛片| 一二三四社区在线视频社区8| 国产一区二区激情短视频| 欧美成人a在线观看| 在线免费观看不下载黄p国产 | 免费高清视频大片| 在线观看美女被高潮喷水网站 | 日韩 亚洲 欧美在线| 成熟少妇高潮喷水视频| 天堂av国产一区二区熟女人妻| 日韩国内少妇激情av| 欧美日韩黄片免| 黄色日韩在线| av中文乱码字幕在线| 国产精品av视频在线免费观看| 亚洲国产欧洲综合997久久,| 黄色视频,在线免费观看| 免费观看的影片在线观看| aaaaa片日本免费| 亚洲天堂国产精品一区在线| 亚洲国产日韩欧美精品在线观看| 欧美不卡视频在线免费观看| 人妻夜夜爽99麻豆av| 午夜福利18| 美女黄网站色视频| 亚洲欧美日韩卡通动漫| 在现免费观看毛片| 男人狂女人下面高潮的视频| 免费观看精品视频网站| 国产精品1区2区在线观看.| ponron亚洲| 国产伦精品一区二区三区视频9| 精品久久久久久久久av| 日日干狠狠操夜夜爽| 简卡轻食公司| 欧美成人免费av一区二区三区| 怎么达到女性高潮| 欧美激情久久久久久爽电影| 一进一出抽搐gif免费好疼| 精华霜和精华液先用哪个| 国产欧美日韩精品亚洲av| 国产高清有码在线观看视频| 老鸭窝网址在线观看| 很黄的视频免费| 最近最新中文字幕大全电影3| 国产熟女xx| 一级黄色大片毛片| 村上凉子中文字幕在线| 国产伦精品一区二区三区视频9| 欧美bdsm另类| 女生性感内裤真人,穿戴方法视频| 国产精品久久久久久人妻精品电影| 成人性生交大片免费视频hd| 亚洲不卡免费看| 国产在线男女| 婷婷精品国产亚洲av| 日韩人妻高清精品专区| 黄色女人牲交| 日韩欧美免费精品| 日本一二三区视频观看| 男人狂女人下面高潮的视频| 人妻丰满熟妇av一区二区三区| 99国产精品一区二区三区| 成年版毛片免费区| 日本五十路高清| 亚洲av五月六月丁香网| 午夜两性在线视频| 日本五十路高清| 最新中文字幕久久久久| 成年女人永久免费观看视频| 夜夜爽天天搞| 国产精品美女特级片免费视频播放器| 人妻久久中文字幕网| 日日夜夜操网爽| 国产视频一区二区在线看| 国产高清视频在线观看网站| 亚洲av日韩精品久久久久久密| 国产高清有码在线观看视频| 麻豆国产av国片精品| 精品久久久久久成人av| 波多野结衣巨乳人妻| 亚洲人成网站在线播放欧美日韩| 无遮挡黄片免费观看| 亚洲精品粉嫩美女一区| 一边摸一边抽搐一进一小说| 国产中年淑女户外野战色| 国内久久婷婷六月综合欲色啪| 国产午夜精品论理片| 亚洲中文字幕一区二区三区有码在线看| 亚洲欧美日韩无卡精品| 高清日韩中文字幕在线| 在线观看美女被高潮喷水网站 | 最近中文字幕高清免费大全6 | 身体一侧抽搐| 久久人人精品亚洲av| 国产欧美日韩精品亚洲av| 日韩av在线大香蕉| 在线免费观看不下载黄p国产 | 好男人在线观看高清免费视频| 久9热在线精品视频| 日本在线视频免费播放| 久久久久免费精品人妻一区二区| 亚洲色图av天堂| 此物有八面人人有两片| 91麻豆精品激情在线观看国产| 十八禁人妻一区二区| 人妻丰满熟妇av一区二区三区| 一进一出抽搐gif免费好疼| 一个人免费在线观看的高清视频| 国产亚洲欧美98| 又黄又爽又免费观看的视频| 亚洲美女视频黄频| 久久午夜福利片| 男女那种视频在线观看| 成人特级黄色片久久久久久久| 国产91精品成人一区二区三区| 亚洲成av人片免费观看| 欧美最黄视频在线播放免费| 国产av在哪里看| 国产黄色小视频在线观看| 亚洲avbb在线观看| 亚洲国产高清在线一区二区三| 国产精品久久久久久亚洲av鲁大| 亚洲国产欧洲综合997久久,| 俄罗斯特黄特色一大片| 成人性生交大片免费视频hd| 欧美成人免费av一区二区三区| 美女被艹到高潮喷水动态| 亚洲成人免费电影在线观看| 久久精品久久久久久噜噜老黄 | 亚洲综合色惰| 精品免费久久久久久久清纯| 99在线视频只有这里精品首页| 国内久久婷婷六月综合欲色啪| 久久草成人影院| 丁香六月欧美| 成年女人看的毛片在线观看| 日韩欧美一区二区三区在线观看| 制服丝袜大香蕉在线| 毛片女人毛片| 直男gayav资源| 日韩精品中文字幕看吧| 国产午夜精品久久久久久一区二区三区 | 亚洲熟妇熟女久久| a在线观看视频网站| 一级av片app| 色综合婷婷激情| 国产老妇女一区| 午夜a级毛片| 国产精品精品国产色婷婷| 久99久视频精品免费| 日本一本二区三区精品| 国产精品一区二区三区四区免费观看 | 国产精品久久电影中文字幕| 国内精品久久久久精免费| 国产精品乱码一区二三区的特点| 欧美一区二区精品小视频在线| 丰满人妻一区二区三区视频av| 最近中文字幕高清免费大全6 | 国产亚洲欧美在线一区二区| 亚洲五月天丁香| 很黄的视频免费| 免费在线观看日本一区| 中文字幕久久专区| 99久久九九国产精品国产免费| 99热这里只有是精品50| 在线十欧美十亚洲十日本专区| 亚洲真实伦在线观看| 免费高清视频大片| 久久午夜亚洲精品久久| 淫妇啪啪啪对白视频| 亚洲色图av天堂| 亚洲精品成人久久久久久| 香蕉av资源在线| а√天堂www在线а√下载| 欧美色欧美亚洲另类二区| www.熟女人妻精品国产| .国产精品久久| 日韩中文字幕欧美一区二区| 午夜a级毛片| 亚洲欧美日韩卡通动漫| 麻豆成人午夜福利视频| www.熟女人妻精品国产| 欧美最新免费一区二区三区 | 亚洲一区二区三区色噜噜| 国产不卡一卡二| 性色av乱码一区二区三区2| 国产中年淑女户外野战色| 高潮久久久久久久久久久不卡| 国产精品98久久久久久宅男小说| 美女大奶头视频| 久久人人爽人人爽人人片va | 亚洲精品成人久久久久久| 国产精品自产拍在线观看55亚洲| 精品一区二区三区视频在线| 日韩大尺度精品在线看网址| 黄色一级大片看看| 一级a爱片免费观看的视频| 舔av片在线| 在现免费观看毛片| 国产精品一区二区免费欧美| 麻豆成人av在线观看| 12—13女人毛片做爰片一| 亚洲熟妇中文字幕五十中出| 亚洲五月婷婷丁香| 日韩欧美国产在线观看| 欧美最新免费一区二区三区 | 亚洲,欧美精品.| 一级毛片久久久久久久久女| 最新在线观看一区二区三区| 中文字幕高清在线视频| 久久热精品热| 精品久久国产蜜桃| 男人和女人高潮做爰伦理| 老师上课跳d突然被开到最大视频 久久午夜综合久久蜜桃 | 国产亚洲av嫩草精品影院| 精品久久久久久久久久久久久| 两性午夜刺激爽爽歪歪视频在线观看| 97碰自拍视频| 亚洲狠狠婷婷综合久久图片| 午夜精品久久久久久毛片777| 精品久久久久久久久久免费视频| 亚洲av二区三区四区| www日本黄色视频网| 亚洲黑人精品在线| 人妻丰满熟妇av一区二区三区| 91av网一区二区| 国产淫片久久久久久久久 | av中文乱码字幕在线| 久久精品综合一区二区三区| 老司机午夜十八禁免费视频| 91狼人影院| 午夜福利18| 国产亚洲精品久久久com| 18+在线观看网站| 国产精品,欧美在线| 久久久久性生活片| 久久精品91蜜桃| 欧美在线一区亚洲| 小蜜桃在线观看免费完整版高清| 草草在线视频免费看| 国产日本99.免费观看| 精品一区二区三区视频在线观看免费| 最近视频中文字幕2019在线8| 真实男女啪啪啪动态图| 亚洲成人中文字幕在线播放| 真人一进一出gif抽搐免费| 欧美不卡视频在线免费观看| 乱人视频在线观看| 国内精品久久久久精免费| 久久精品夜夜夜夜夜久久蜜豆| 三级毛片av免费| 亚洲第一区二区三区不卡| 男女视频在线观看网站免费| 国产亚洲精品av在线| 少妇的逼好多水| 日本三级黄在线观看| 国产真实伦视频高清在线观看 | 亚洲成a人片在线一区二区| 精品国产亚洲在线| 久久亚洲真实| 老司机深夜福利视频在线观看| 国产一区二区激情短视频| 国产综合懂色| 亚洲欧美日韩无卡精品| 99在线视频只有这里精品首页| 精品福利观看| 18禁在线播放成人免费| 怎么达到女性高潮| 国产免费av片在线观看野外av| 麻豆av噜噜一区二区三区| 欧美区成人在线视频| 超碰av人人做人人爽久久| 校园春色视频在线观看| 国产精品一区二区三区四区免费观看 | 国产精品伦人一区二区| 欧美一区二区精品小视频在线| 在线观看午夜福利视频| 搞女人的毛片| av在线天堂中文字幕| 天堂av国产一区二区熟女人妻| 十八禁网站免费在线| 国产 一区 欧美 日韩| 男女下面进入的视频免费午夜| 精品无人区乱码1区二区| 日本黄大片高清| 国模一区二区三区四区视频| 国产免费男女视频| 亚洲av电影在线进入| 欧美潮喷喷水| 亚洲精品色激情综合| 亚洲天堂国产精品一区在线| 国产一区二区在线观看日韩| 久久99热6这里只有精品| 好男人电影高清在线观看| 简卡轻食公司| 国产一级毛片七仙女欲春2| 91久久精品国产一区二区成人| 日韩国内少妇激情av| 99国产综合亚洲精品| 国产亚洲精品综合一区在线观看| 精品久久国产蜜桃| 亚洲av成人精品一区久久| 久久久久久久久大av| 色尼玛亚洲综合影院| 免费人成在线观看视频色| 国产不卡一卡二| 中出人妻视频一区二区| 最好的美女福利视频网| 亚洲人与动物交配视频| 亚洲 欧美 日韩 在线 免费| 亚洲欧美清纯卡通| 国产亚洲精品久久久久久毛片| 国产高清有码在线观看视频| 国产免费男女视频| 欧美性感艳星| 波多野结衣巨乳人妻| 久久精品国产清高在天天线| 欧美国产日韩亚洲一区| 欧美在线黄色| 亚洲av不卡在线观看| 久久国产乱子伦精品免费另类| 99热6这里只有精品| 国产三级中文精品| 欧美色视频一区免费| 亚洲电影在线观看av| 久久性视频一级片| 夜夜看夜夜爽夜夜摸| 日韩av在线大香蕉| 欧美激情久久久久久爽电影| 日日干狠狠操夜夜爽| 日韩精品中文字幕看吧| 欧美在线一区亚洲| 欧美日韩瑟瑟在线播放| 欧美成人性av电影在线观看| 少妇熟女aⅴ在线视频| 国产伦人伦偷精品视频| 两性午夜刺激爽爽歪歪视频在线观看| 免费大片18禁| 亚洲国产日韩欧美精品在线观看| 舔av片在线| 色5月婷婷丁香| 免费大片18禁| 国产伦一二天堂av在线观看| 我要搜黄色片| 内射极品少妇av片p| 观看美女的网站| 欧美日韩瑟瑟在线播放| 亚洲七黄色美女视频| 人妻制服诱惑在线中文字幕| 一级毛片久久久久久久久女| 亚洲一区二区三区不卡视频| 极品教师在线免费播放| 丁香六月欧美| a级毛片免费高清观看在线播放| 在线国产一区二区在线| 久久久久久久午夜电影| av专区在线播放| 999久久久精品免费观看国产| 嫁个100分男人电影在线观看| 亚洲专区国产一区二区| www.www免费av| 亚洲 欧美 日韩 在线 免费| 最近在线观看免费完整版| 日韩中文字幕欧美一区二区| 久久午夜亚洲精品久久| 一区二区三区高清视频在线| 18禁黄网站禁片午夜丰满| 此物有八面人人有两片| 桃色一区二区三区在线观看| 亚洲欧美日韩无卡精品| 婷婷丁香在线五月| 最新中文字幕久久久久| 日本在线视频免费播放| 宅男免费午夜| 精品一区二区三区av网在线观看| 亚洲av成人av| 麻豆一二三区av精品| 欧美性猛交黑人性爽| 搡老熟女国产l中国老女人| 天美传媒精品一区二区| 又黄又爽又免费观看的视频| 亚洲av熟女| 日本成人三级电影网站| 久久性视频一级片| 人妻夜夜爽99麻豆av| 国产成人av教育| 2021天堂中文幕一二区在线观| 国产成人欧美在线观看| 色噜噜av男人的天堂激情| 国内久久婷婷六月综合欲色啪| 国产蜜桃级精品一区二区三区| 中文在线观看免费www的网站| 美女高潮喷水抽搐中文字幕| 日韩大尺度精品在线看网址| 久久精品国产清高在天天线| 国产 一区 欧美 日韩| 在线免费观看的www视频| 精品国内亚洲2022精品成人| 久久久精品欧美日韩精品| 欧美+日韩+精品| 午夜亚洲福利在线播放| 久久久久久久久久成人| 在线观看美女被高潮喷水网站 | 国产极品精品免费视频能看的| 日韩 亚洲 欧美在线| 精品人妻视频免费看| 久久精品国产亚洲av天美| 国产成年人精品一区二区| 怎么达到女性高潮| 午夜福利免费观看在线| 欧美激情国产日韩精品一区| 九九热线精品视视频播放| 国产午夜精品论理片| 欧美成人性av电影在线观看| 亚洲色图av天堂| 男人的好看免费观看在线视频| 亚洲成人久久性| 美女高潮的动态| 色噜噜av男人的天堂激情| 在线播放国产精品三级| 黄片小视频在线播放| 天堂av国产一区二区熟女人妻| 一个人免费在线观看的高清视频| 特级一级黄色大片| 欧美黑人巨大hd| 黄色日韩在线| 色精品久久人妻99蜜桃| 国内精品美女久久久久久| 国产中年淑女户外野战色| 色在线成人网| 色尼玛亚洲综合影院| 88av欧美| 亚洲午夜理论影院| 欧美zozozo另类| 日本黄色视频三级网站网址| 精品熟女少妇八av免费久了| 自拍偷自拍亚洲精品老妇| 亚洲av不卡在线观看| 色综合亚洲欧美另类图片| 日韩大尺度精品在线看网址| 亚洲最大成人av| 91九色精品人成在线观看| 欧美激情在线99| 999久久久精品免费观看国产| 三级毛片av免费| 国内揄拍国产精品人妻在线| 国产成人a区在线观看|