SIZE: to 20 cm (8 in.)
DISTINCTIVE FEATURES: Yellowish brown gradating to nearly black on tail.
The body coloration on the brushtail tang is yellowish-brown fading to almost black around the tail area. There are dark, brush-like bristles near the white scalpel, or tail spine. When the dorsal and ventral fins are spread, this fish looks very tall. Small juveniles have yellow bars.