Uncommon in the Solitary Islands Marine Park. Recorded from the tropical Indo-Pacific region: Philippines and Ryukyu Islands to the Gilbert Islands, New Caledonia, and Samoa, north to Izu Islands, south to Rowley Shoals and Lord Howe Island. In Australia recorded from the North West Shelf of Western Australia, the Coral Sea and Great Barrier Reef in Queensland south to Jervis Bay on the Australian east coast.
Adults frequent coastal, lagoon and seaward reefs from below surge zone to 30 m depth.
Blue-grey to yellow with black stripe near top of dorsal fin. Adults are solitary. Feeds on the skin, scales, fins and mucous of other fish. Eggs are demersal and attached to the substrate via an adhesive pad or pedestal, larvae are planktonic. Grows to 8 cm.
R. Stuart-Smith, G. Edgar, A. Green, I. Shaw, Tropical Marine Fishes of Australia. Reed New Holland Publishers, 2015. p.378.
Atlas of Living Australia website at https://bie.ala.org.au/search?q=Plagiotremus+laudandus. Accessed 01/07/18.
FishBase. Froese, R. and D. Pauly. Editors. 2018. World Wide Web electronic publication. https://fishbase.ca/summary/Plagiotremus-laudandus.html. Accessed 01/07/18.