A couple of better photographs than my previous from December last year. Pretty distinctive looking dragonfly - those large, patterned, hindwings presumably point toward Rhyothemis - and the only Rhyothemis listed for Fiji is R. dispar - which I think is a subspecies of R. phyllis??

For further information of the observation see: Langner, Christian Georg 2017. Hidden in the Heart of Borneo-shedding light on Some Mysteries of an Enigmatic Lizard: First Records of Habitat Use, Behavior, and Food Items of Lanthanotus borneensis Steindachner, 1878 in Its Natural Habitat. Russ. J. Herpetol. 24 (1): 1-10