Re: Ceratosoma trilobatum from sthn Queensland

March 1, 2006
From: Ron Velarde

Concerning message #15930:

Hi Bill/ Bruce,
In the close-up photo, what do you think is near the right rhinophore? Looks like it could be a small gastropod of some kind; parasite? Or is it just debris?
Ron Velarde

rvelarde@sandiego.gov

Ron Velarde, 2006 (Mar 1) Re: Ceratosoma trilobatum from sthn Queensland. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15982

Dear Ron,
Well spotted. I saw it there and decided it was irrelevant, but since you ask .... It is a small snail of some sort. I suspect it is an adult. There are thousands of small marine snails in mnay families. Some are parasites, some commensals, and some are free-living carnivores and algal grazers. They are often difficult to distinguish from their shell shape, but show a remarkable variability in anatomy. I suspect this snail got caught up in the nudibranchs mucous trail as it was crawling along. Apart from that I can't say anything sensible about it
Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Mar 1). Comment on Re: Ceratosoma trilobatum from sthn Queensland by Ron Velarde. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15982

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Ceratosoma trilobatum

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