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Observations on Deraniyagala's beaked whale (Mesoplodon hotaula) in the South China Sea based on the first confirmed live sightings

文献类型：期刊论文

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作者Liu, Mingming1; Lin, Wenzhi1; Liu, Binshuai1,2; Chen, Shenglan1,2; Lin, Mingli1; Dong, Lijun1; Kang, Hui1,3,4; Ouyang, Mingyue1,2; Yang, Zixin1; Huang, Xiaoyu1,2
刊名MARINE MAMMAL SCIENCE ; MARINE MAMMAL SCIENCE
出版日期2024-09-05 ; 2024-09-05
页码22
关键词color pattern color pattern cookiecutter shark bites distribution fisheries interaction Mesoplodon densirostris Mesoplodon ginkgodens Mesoplodon hotaula cookiecutter shark bites distribution fisheries interaction Mesoplodon densirostris Mesoplodon ginkgodens Mesoplodon hotaula
ISSN号0824-0469 ; 0824-0469
DOI10.1111/mms.13178 ; 10.1111/mms.13178
英文摘要Deraniyagala's beaked whale, Mesoplodon hotaula, was previously known from eight published strandings and no confirmed live sightings, making it one of the least-known cetaceans. We conducted six cetacean survey cruises in the South China Sea between 2019 and 2023, and during 120 sea-days we recorded 12 sightings of unidentified Mesoplodon. From biopsy samples and acoustic recordings, five sightings were subsequently confirmed as M. hotaula. Using photographs, we provide the first field descriptions and observations of this species. The calf/juvenile has a distinctive facial coloration and dorsal striping pattern that appear to be diagnostic among Indo-Pacific Mesoplodon; among adult males, the dark rostrum of M. hotaula and the distinctively white-tipped beak of ginkgo-toothed beaked whale, M. ginkgodens, distinguish these similar-looking, partially sympatric species. Mean group size was small (3.0, n = 5), with a preference for deep (2,156 m, n = 5), warm (30.3 degrees C, n = 3) water. We update the known distribution of this species, present evidence of fishery interactions, and document the first reported mixed-species Mesoplodon group: a juvenile Blainville's beaked whale M. densirostris associated with four M. hotaula. These sightings identify the South China Sea as a potentially important area for this almost completely unknown species.; Deraniyagala's beaked whale, Mesoplodon hotaula, was previously known from eight published strandings and no confirmed live sightings, making it one of the least-known cetaceans. We conducted six cetacean survey cruises in the South China Sea between 2019 and 2023, and during 120 sea-days we recorded 12 sightings of unidentified Mesoplodon. From biopsy samples and acoustic recordings, five sightings were subsequently confirmed as M. hotaula. Using photographs, we provide the first field descriptions and observations of this species. The calf/juvenile has a distinctive facial coloration and dorsal striping pattern that appear to be diagnostic among Indo-Pacific Mesoplodon; among adult males, the dark rostrum of M. hotaula and the distinctively white-tipped beak of ginkgo-toothed beaked whale, M. ginkgodens, distinguish these similar-looking, partially sympatric species. Mean group size was small (3.0, n = 5), with a preference for deep (2,156 m, n = 5), warm (30.3 degrees C, n = 3) water. We update the known distribution of this species, present evidence of fishery interactions, and document the first reported mixed-species Mesoplodon group: a juvenile Blainville's beaked whale M. densirostris associated with four M. hotaula. These sightings identify the South China Sea as a potentially important area for this almost completely unknown species.
WOS关键词ZIPHIUS-CAVIROSTRIS ; ZIPHIUS-CAVIROSTRIS ; CETACEANS ; BEHAVIOR ; BIDENS ; CETACEANS ; BEHAVIOR ; BIDENS
资助项目National Natural Science Foundation of China[41422604] ; National Natural Science Foundation of China[41422604] ; National Natural Science Foundation of China[42225604] ; One Belt and One Road Science and Technology Cooperation Special Program of the International Partnership Program of the Chinese Academy of Sciences[183446KYSB20200016] ; Key Deployment Project of Center for Ocean Mega-Science of the Chinese Academy of Sciences[COMS2020Q15] ; Hainan Provincial Natural Science Foundation of China[323QN311] ; Hainan Provincial Natural Science Foundation of China[424RC535] ; National Natural Science Foundation of China[42225604] ; One Belt and One Road Science and Technology Cooperation Special Program of the International Partnership Program of the Chinese Academy of Sciences[183446KYSB20200016] ; Key Deployment Project of Center for Ocean Mega-Science of the Chinese Academy of Sciences[COMS2020Q15] ; Hainan Provincial Natural Science Foundation of China[323QN311] ; Hainan Provincial Natural Science Foundation of China[424RC535]
WOS研究方向Marine & Freshwater Biology ; Marine & Freshwater Biology ; Zoology ; Zoology
语种英语 ; 英语
WOS记录号WOS:001307504300001 ; WOS:001307504300001
出版者WILEY ; WILEY
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; One Belt and One Road Science and Technology Cooperation Special Program of the International Partnership Program of the Chinese Academy of Sciences ; Key Deployment Project of Center for Ocean Mega-Science of the Chinese Academy of Sciences ; Hainan Provincial Natural Science Foundation of China ; One Belt and One Road Science and Technology Cooperation Special Program of the International Partnership Program of the Chinese Academy of Sciences ; Key Deployment Project of Center for Ocean Mega-Science of the Chinese Academy of Sciences ; Hainan Provincial Natural Science Foundation of China
源URL[http://ir.idsse.ac.cn/handle/183446/11435]  
专题深海科学研究部_深海生物学研究室_海洋哺乳动物与海洋生物声学研究组
研究生部
通讯作者Pitman, Robert L.; Li, Songhai
作者单位1.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Marine Mammal & Marine Bioacoust Lab, Sanya, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Conservat Chinese Acad Sci, Innovat Res Ctr Aquat Mammals, Wuhan, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan, Peoples R China
5.CIMA Res Fdn, Savona, Italy
6.CetAsia Res Grp, Baysville, ON, Canada
7.Natl Museum Marine Biol & Aquarium, Checheng, Pingtung, Taiwan
8.Oregon State Univ, Marine Mammal Inst, Corvallis, OR 97331 USA
9.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Mingming,Lin, Wenzhi,Liu, Binshuai,et al. Observations on Deraniyagala's beaked whale (Mesoplodon hotaula) in the South China Sea based on the first confirmed live sightings, Observations on Deraniyagala's beaked whale (Mesoplodon hotaula) in the South China Sea based on the first confirmed live sightings[J]. MARINE MAMMAL SCIENCE, MARINE MAMMAL SCIENCE,2024, 2024:22, 22.
APA Liu, Mingming.,Lin, Wenzhi.,Liu, Binshuai.,Chen, Shenglan.,Lin, Mingli.,...&Li, Songhai.(2024).Observations on Deraniyagala's beaked whale (Mesoplodon hotaula) in the South China Sea based on the first confirmed live sightings.MARINE MAMMAL SCIENCE,22.
MLA Liu, Mingming,et al."Observations on Deraniyagala's beaked whale (Mesoplodon hotaula) in the South China Sea based on the first confirmed live sightings".MARINE MAMMAL SCIENCE (2024):22.

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来源：深海科学与工程研究所

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