Characteristics

Description

• Distinctive dorsal spine just above eyes.
• Body colour and pattern varies according to habitat. Body colouration light brown or greenish to grey with irregular brown blotches and mottling.
• Large ventral fan-like pelvic-flap lined with light blue dots around margin. Flap can be extended during displays or when alerted.
• Large adults with a long filament on upper lobe of rounded caudal fin.
• Spines on caudal peduncle.