The Ecsenius pictus has distinctive pattern of white lines and series of white spots that is clearly visible in deep water.

It is listed as Least Concern (LC).

Western Central Pacific: the Philippines, Indonesia, and the Solomon Islands.
Adults occur mainly along outer reef walls with rich coral and other invertebrate growth at moderate depths to about 25 m.
Usually seen in pairs and often resting on large sponges.
Larvae are planktonic, often found in shallow coastal waters.

Oviparous and distinct pairing.
Eggs are demersal, adhesive and are attached to the substrate.