Dendrodoris nigra (Stimpson, 1855)

Dendrodoris nigra is common on intertidal and shallow subtidal reefs, where it is usually found under rocks. Adults vary in color from solid black to black variably speckled with white.

Here a pair is on the underside of a rock with a couple of egg masses. Although we didn't see the animals actually laying these eggs, but the yellow mass in particular looks like the egg mass of this species.

In some specimens, the black fades a bit and becomes almost translucent gray.

Juveniles are often red or black and red with white spots.

Links:
Sea Slugs of Hawaii
Sea Slug Forum
Marshall Islands Sea Slugs

Created 20 April 2009

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