Very elongate body. Pair of 5 heavily branched cirri over each eye, bush-like in appearance.
Red body, varies from bright red to a darker hue. May be olive blotches presense along midflank and upper body. Head and cirri green and algae-like in colour and appearance. Between eyes and base of cirri red. Iris black. Lips white. Dark variant exists, dark green to black on head instead of the lighter green.
Reaches 8.0 cm.
Found in empty holes and worm tubes in rocks.