Halfspined flathead (Ratabulus prionotus), first described by Sauvage, 1873 is a medium-sized fish in the family Platycephalidae (order Perciformes). Adults typically reach 22.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1 to 100 metres. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.
Dorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 0; Anal soft rays: 12 - 13. Brownish in color, with 4-5 bands crossing back; spiny dorsal dusky brown, other fins dark spotted; under opercle flap dark purple with light lines .: elongated.
Behavioural data for Halfspined flathead is currently being reviewed.
Marine; demersal; depth range 1 - 100 m . Subtropical Indian Ocean: Red Sea to Delagoa Bay to Karachi.
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