An overview of the genus Plesionika Bate, 1888 (Decapoda, Caridea, Pandalidae) in Asian waters Author Ahamed, Ferdous Author Cardoso, Irene A. Author Ahmed, Zoarder F. Author Hossain, Md. Y. Author Ohtomi, Jun text Zootaxa 2017 4221 5 575 593 journal article 37273 10.11646/zootaxa.4221.5.6 8dbacfc5-545a-4203-a5fb-1c309c9b2dbe 1175-5326 253575 1CB61A37-23C5-4041-AB51-0EA76E62770F P. narval (Fabricius, 1787) Description. Rostrum slightly curving dorsally, elongate, 2.2–2.3 times as long as carapace, dorsal margin with 58–60 serrated teeth, including 5 on carapace, all teeth on carapace with distinct basal sutures and movable, ventral margin with 41–44 serrated teeth; abdomen smooth and rounded dorsally, pleuron of fourth somite rounded that of fifth somites with small marginal tooth posteriorly, sixth somite 1.8 times as long as maximum height; eye broadly subpyriform, maximum diameter about 0.2 carapace length; 3rd maxilliped slender, overreaching distal margin of antennal scale by ultimate segment and anterior 0.2 of penultimate segment, with epipod, penultimate segment about 1.7 as long as ultimate segment; 2nd pereopods subequal without epipod, not extremely slender or threadlike, bearing 27–29 carpal articles ( Kim et al. 2012 ). Distribution. Indo-West Pacific, Indian Ocean, Japan , Korea and Red Sea; at depths of 35–910 m ( Kim et al. 2012 ).