Description of Elthusa aquabio sp. n. (Crustacea: Isopoda: Cymothoidae), a branchial fish parasitic isopod from Indian waters
2023; Taylor & Francis; Volume: 57; Issue: 21-24 Linguagem: Inglês
10.1080/00222933.2023.2242099
ISSN1464-5262
AutoresPanakkool Thamban Aneesh, Ameri Kottarathil Helna, Smrithy Raj, Appukuttannair Biju Kumar,
Tópico(s)Aquaculture disease management and microbiota
ResumoABSTRACTABSTRACTA new branchial fish parasitic cymothoid species, Elthusa aquabio sp. n. (Crustacea: Isopoda: Cymothoidae), is described based on the ovigerous female collected from an unknown host obtained from trash fishes from the south-west coast of India. The species Elthusa aquabio sp. nov. has the following characteristics: (1) body slightly twisted, elongated, dorsal surfaces smooth, 1.8 times as long as greatest width; (2) pleon short, 0.16 times as long as total body length, pleon 0.75 times as wide as pereion maximum width; (3) widest at pleonite 3 and most narrow at pleonite 1; (4) coxae 5–7, flat, broad, laterally expanded; (5) uropods 0.7 times as the length of pleotelson; (6) pereopods 1–3 propodus inner lateral margin with small, robust spines; (7) antenna with 10 articles.http://www.zoobank.org/urn:lsid:zoobank.org:pub:60365DA9-9DD1-449F-B81F-30250B6E644DKEYWORDS: Marine fishCymothoidaeElthusanew speciesIndia AcknowledgementsThe authors thank Prof Peter K.L. Ng for this initiative.Disclosure statementNo potential conflict of interest was reported by the authors.Author contributionsPTA and AKH worked on identification, illustrations and photographs and prepared the draft of the manuscript. PTA, AKH and AB conceived and designed the research and critically reviewed the manuscript to improve its quality. SR conducted the fieldwork. All authors read and approved the final manuscript.Ethical approvalThe specimen is not under the listed category of experimental animals that need ethics approval.Sampling and field studiesAll necessary permits for sampling and observational field studies were obtained by the authors from the competent authorities.Additional informationFundingThe authors appreciate the partial funding support of the Lee Kong Chan Museum of Natural History, National University of Singapore, to the University of Kerala for the study of deep-sea crustaceans of India.
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