Scientific name : Paracanthurus hepatus
Family : Acanthuridae
Size : Up to 31 cm
Depth : Up to 40 m
Distribution : Indo-Western Pacific
Morphology : The laterally compressed body is bright blue with two black stripes and the tail is yellow.
Biology : A sharp spine on each side of the tail is covered with venomous mucus and can cause severe pain.
IUCN red list : Least concern