Melanochlamys diomedea
(Bergh, 1894)

Superfamily: PHILINOIDEA
Family: Aglajidae


West coast of Nth America [Alaska to California]

Translucent body with a mottling of black or dark brown which varies between individuals some being almost black in appearance. Lives on mud and other soft sediments from intertidal to 370ft [Behrens, 1991]. Feeds on worms and grows to about 15 mm long.

  • Bergh, L.S.R. (1894) Die Opisthobranchien. Reports on the dredging operations off the west coast of Central America to the Galapagos, to the west coast of Mexico, and in the Gulf of California, in charge of Alexander Agassiz, carried on by the U. S. Fish Commission steamer Albatross, during 1891, Lieut. Commander Z. L. Tanner, U.S.N. commanding. Part 13. Bulletin of the Museum of Comparative Zoology, Harvard, 32(10): 125-233.
  • Rudman, W.B. (1972) On Melanochlamys Cheeseman, 1881, a genus of the Aglajidae (Opisthobranchia: Gastropoda). Pacific Science, 26(1): 50-62, 8 figs.
  • Steinberg, J.E. & Jones, M. (1960) A new opisthobranch of the genus Aglaja in San Francisco Bay. The Veliger, 2: 73-75.
Authorship details
Rudman, W.B., 2003 (April 5) Melanochlamys diomedea (Bergh, 1894). [In] Sea Slug Forum. Australian Museum, Sydney. Available from

Related messages

  1. Melanochlamys diomedea? from Sth Korea
    From: Dong Bum Koh, May 23, 2005
  2. Melanochlamys diomedea from E. Russia
    From: A.V. Chernyshev, E.M. Chaban, A.V.Ratnikov, May 2, 2005
  3. Re: Melanochlamys diomedea from E. Russia
    From: Alexei Chernyshev, May 2, 2005
  4. Puget Sound slug - Aglaja diomedea?
    From: Eric Parker, June 21, 2003
  5. Re: Melanochlamys diomedea(?) in San Francisco Bay
    From: Dave Behrens, April 9, 2003
  6. Melanochlamys diomedea(?) in San Francisco Bay
    From: Andrea Swensrud, April 7, 2003

Show factsheet and all related messages