Orsak Flatworm

Maiazoon orsaki is a marine flatworm species that belongs to the Pseudocerotidae family.

Common name

Orsak Flatworm.

Distribution

Tropical Indo-Pacific, from the Archipelagos of Maldives to Micronesia.

Habitat

Exposed edge of the reef crest and in boulders covered with coralline algae.

Size

Up to 2 inches (51 mm).

Description

"Maiazoon orsaki possesses a stretched "egg-shaped" body with a ruffled margin, the posterior part of the body is isentagled. The background color can generally go from transluecnt cream to light brown with a fine median white line. The white line starts back from the eye spots and ends just before the border of the posterior edge. The circumference of the body is ornated with an orange-brown strip and highlighted on the outside by a fine black line. The ventral face presents a similar color to the dorsal face with the white median line less."

Behaviour

Benthic, nocturnals.