Distinct series on head region included the nasal, supraorbital, infraorbital, postorbital, oral, mandibular, gular, supraspiracular series and pair of dorsal line on the body.
The frigate has a bright red pouch on his throat called a gular that he can inflate and use as a drum in a choreographed dance used to attract potential mates.
要包括:头部的鼻
上
上有一个鲜红色
做 gular，他可以给它充气，并在
