Diaulula sandiegensis
# Diaulula sandiegensis

Diaulula sandiegensis is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Discodorididae.

The specific epithet sandiegensis means: "of San Diego", the Southern California city.

## Distribution

This dorid nudibranch occurs in the eastern Pacific, from Barkley Sound, British Columbia to Baja California, Mexico. It has been confused with Diaulula boreopacifica which has a more northerly range and also occurs in Japan and Russia.

## Description

This nudibranch grows to about 100 mm (4") in length. The background color can be white or any shade of yellow to a yellowish brown, and it has characteristic markings consisting of a few brown rings or irregular spots. Specimens with more numerous spots are Diaulula odonoghuei.

* Diaulula sandiegensis
* In a central California tidepool

## Life habits

This species feeds on sponges.

