title: First record ofRhopalophthalmus longipesIi, 1964 from Malaysian waters (Crustacea, Mysida).
abstract: The marine mysid speciesRhopalophthalmus longipesIi, 1964 is reported from Malaysian waters for the first time. Specimens are described and illustrated in detail based on material collected by epibenthic sledge from the seagrass meadows of Pulau Tinggi, Johor. Specimens exhibit a slight difference from Ii's type material by possessing a rounded process bearing two small protrusions apically near the middle distal end of the third segment of antennal peduncle. In addition, its telson armed with 7-9 moderately strong setae at the lateral margin.
authors.affiliation: School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
authors.forename: Hai Siang
authors.initials: HS
authors.lastname: Tan
authors.affiliation: School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia; Marine Ecosystem Research Centre (EKOMAR), Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
authors.forename: B A R
authors.initials: BA
authors.lastname: Azman
keywords: Malaysian waters; Mysidae; Rhopalophthalmus longipes; new record; taxonomy