Distribution map of Indo-Pacific Briareum species based on: ● = examined material; ▲ = literature records. Colour shades on the background represent different marine regions. PG = Persian Gulf; OS = Oman Sea; RS = Red Sea; NWIO = North Western Indian Ocean; SEY = Seychelles; EAFR = East Africa; CIO = Central Indian Ocean; EIO = East Indian Ocean; SWIP = South West Indo-Pacific; NWIP = North West Indo-Pacific; NWP = North West Pacific; SWP = South West Pacific.