Re: Limacia clavigera and possible egg mass

November 14, 2007
From: Jeff Goddard

Concerning message #20643:

Hi Bill,

I checked Thompson and Brown's (1984) monograph for an illustration of the egg mass of Limacia clavigera, and they depict a spirally wound, thick cord containing small eggs, so it is unlikely that the ribbon-shaped egg mass with large eggs in Joao Pedro Silva's message [#20643] belongs to this species.

Based on information in the recent paper by Sanchez Tocino et al. (2007), as well as Joao Pedro's image in message #16878 of Hypselodoris villafranca mating out in the open on algae, I suspect that the egg mass in message #20643 was laid by H. villafranca. I will, however, defer to the opinion of my colleagues more familiar with the fauna of the NE Atlantic.

  • Sanchez Tocino, L., A. Ocana, F. J. Garcia and J. L. Cervera. 2007. Description of the egg masses and development of some Doridoidea (Mollusca: Nudibranchia) from southern Iberian Peninsula. Iberus25(1):1-20.
  • Thompson, T.E. and G.H. Brown. 1984. Biology of Opisthobranch Molluscs Vol II. Ray Society, London.

Best wishes,

Goddard, J.H.R., 2007 (Nov 14) Re: Limacia clavigera and possible egg mass. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Jeff,

Bill Rudman


Limacia clavigera

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