Summary ⁵

P. atra is fairly common in kelp forests, but rarely found in the intertidal. It can occasionally be found in outer coast dock fouling communities.

Description ⁶

The body of Polycera atra is translucent white with longitudinal black lines interspersed with rows of raised yellow spots. The oral veil has 4-8 tapering yellow-tipped papillae.

Distribution ⁶

This species of polycerid nudibranch was described from California.

Ecology ⁶

Polycera atra feeds on the bryozoanBugula.

Sources and Credits

1. (c) Robin Agarwal (ANudibranchMom on iNaturalist), some rights reserved (CC BY-NC), https://www.flickr.com/photos/30314434@N06/27375925146/
2. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
3. (c) Robin Agarwal (ANudibranchMom on iNaturalist), some rights reserved (CC BY-NC), https://www.flickr.com/photos/30314434@N06/20318939074/
4. (c) Robin Agarwal (ANudibranchMom on iNaturalist), some rights reserved (CC BY-NC), https://www.flickr.com/photos/30314434@N06/19249694133/
5. (c) Ken-ichi Ueda, some rights reserved (CC BY-SA)
6. Adapted by Robin Gwen Agarwal from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Polycera_atra

More Info

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• CalPhotos
• Global Biodiversity Information Facility (GBIF)
• NatureServe Explorer 2.0
• SeaLifeBase
• World Register of Marine Species

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