Platycephalus grandispinis Cuvier, 1829
Longspine flathead
photo by CSIRO

Family:  Platycephalidae (Flatheads)
Max. size:  38 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 10 - 75 m
Distribution:  Eastern Indian Ocean: endemic to Australia.
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 14-14; Anal soft rays: 14-14. This species is distinguished by the following characters: D2 14; A 14; lateral line scales 73-82; total gill rakers 19-26; interorbit becoming wider with growth, narrower than orbital diameter; no distinct interopercular flap, sometimes a small flap or weak convexity is present; supraoccipital with a ridge; much longer preopercular spine than upper, often extending nearly to posterior margin of opercle, length ratio of lower to upper spines, 1.9-3.3:1 and this ratio tends to become smaller with growth; no large canine teeth on anteromedial part of upper jaw; no small dark dots on head and body; posteroventral part of caudal fin with blackish or dark-brownish marking (Ref. 94990).
Biology:  Found inshore (Ref. 7300).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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