castelnaui, Platycephalus Macleay [W.] 1881:587 [Proceedings of the Linnean Society of New South Wales v. 5 (pt 4); ref. 2869] King George Sound, Western Australia. Holotype (unique): AMS I.16354-001 [ex MAMU F786]. Type catalog: Stanbury 1969:207 [ref. 19518]. •Synonym of Platycephalus speculator Klunzinger 1872 -- (Paxton et al. 1989:470 [ref. 12442], Gomon et al. 1994:523 [ref. 22532], Paxton et al. 2006:943 [ref. 29079], Imamura 2015:167 [ref. 33640]). Current status: Synonym of Platycephalus speculator Klunzinger 1872. Platycephalidae. Habitat: brackish, marine.