Bulla gouldiana

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Bulla gouldiana
Naturalis Biodiversity Center - ZMA.MOLL.368402 - Bulla gouldiana Pilsbry, 1895 - Bullidae - Mollusc shell.jpeg
Scientific classification
B. gouldiana
Binomial name
Bulla gouldiana
Pilsbry, 1895[1]

Bulla nebulosa Gould, 1850

Bulla gouldiana, the California bubble, Gould’s bubble or cloudy bubble snail, is a species of sea snail, a marine gastropod mollusc in the family Bullidae, the bubble snails. It is found in shallow water on sheltered coasts of the eastern Pacific Ocean.


Bulla gouldiana has a semi-transparent, paper-thin, globose shell that is brown or pale violet. The head, mantle and foot are yellowish-brown with mottled whitish dots. The aperture is wide anteriorly and narrow posteriorly. The egg mass is a yellow to orange tangled string of jelly, containing oval capsules. Each one contains up to 25 eggs, which develop into veliger larvae.[2][3]


Bulla gouldiana is found in shallow water in estuaries and sheltered bays down to depths of 10 m (33 ft) on the western coast of America from California to Ecuador.[2]


  1. ^ a b Bouchet, Philippe (2014). "Bulla gouldiana Pilsbry, 1895". WoRMS. World Register of Marine Species. Retrieved 2014-02-21.
  2. ^ a b Malaquias, Manuel A. E.; Reid, David G. (2008). "Systematic revision of the living species of Bullidae (Mollusca: Gastropoda: Cephalaspidea), with a molecular phylogenetic analysis". Zoological Journal of the Linnean Society. 153 (3): 453–543. doi:10.1111/j.1096-3642.2008.00369.x.
  3. ^ Ricketts, Edward Flanders (1985). Between Pacific Tides. Stanford University Press. pp. 362–363. ISBN 9780804720687.