The black-backed butterflyfish has a mild temperament, is easy to raise, and is highly common. It is suitable for mixing with mild fish. After understanding these, let's take a look at the morphological characteristics of the black-backed butterflyfish!

The black-backed butterflyfish is tall Oval; upper head straight in outline. Snout pointed, but not elongated into a tubular shape. Anterior nostrils with nasal flaps. Anterior opercular margin with fine serrations; opercular membrane connected to isthmus. The teeth of the two jaws are densely arranged, with about 6-7 rows of upper and lower teeth. Body covered with medium-sized scales, round, all arranged obliquely; lateral line rises sharply up to below the IX spine of the dorsal fin and descends below the terminal edge of the base of the dorsal fin. Single dorsal fin, spine XII, soft rays 20-21; anal fin spine III, soft rays 17-18. The body is pale yellow, the back is black, and the maximum body length is 15 cm.