Atagema alba

Hunchback doris
Atagema alba (live specimen)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Nudibranchia
Family:	Discodorididae
Genus:	Atagema
Species:	A. alba
Binomial name
Atagema alba (O'Donoghue, 1927) [1]
Synonyms [2]
Atagema quadrimaculataCollier, 1963 Glossodoridiformia albaO'Donoghue, 1927 (original combination) Petelodoris spongicolaMacFarland, 1966

Atagema alba, common name the hunchback doris, is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Discodorididae. ^{[2] [3]}

Description

A single individual was collected, measuring 30 mm in length and 11 mm in width during active crawling

Distribution

This species has been reported from Monterey Bay, California, USA south to Ensenada, Baja California, Mexico. ^[4]

Ecology

This dorid nudibranch feeds on sponges.

References

1. O'Donoghue, C. H. (1927). Notes on a collection of nudibranchs from Laguna Beach, California. Journal of Entomology & Zoology, Pomona College 19(1-4):77-119, pls. 1-3.
2. Atagema alba (O'Donoghue, 1927) . 17 December 2025. Retrieved through: World Register of Marine Species .
3. Bertsch H. & Gosliner T.M. (1986) Anatomy, distribution, synonymy, and systematic relationships of Atagema alba (O'Donoghue, 1927) (Nudibranchia: Doridacea). The Veliger 29(1): 123-128.
4. Behrens, D. (2005). Atagema alba The Slug Site.

• O'Donoghue, C. H. (1927). Notes on a collection of nudibranchs from Laguna Beach, California. Journal of Entomology and Zoology, Pomona Coll. 19:77-119.

External links

• Collier, C.L. (1963). "A new species of the genus Atagema, a genus new to the Pacific Northeast (Gastropoda: Nudibranchia)". Veliger. 6 (2).
• MacFarland, F.M. (1966). "Studies of opisthobranchiate mollusks of the Pacific coast of North America". Memoirs of the California Academy of Sciences. 6: 1–546.