Re: Polyp-feeding nudibranch

November 7, 2006
From: Jack Kryppy

Concerning message #18048:

I am currently breeding the unidentified zoanthid eating aeolid. They are very interesting creatures which take on the color of the zoanthid they are feeding on. I'm tempted to feed them some red so I can get a christmas themed picture. :)

I have a page setup with photos of the specimens I have gathered and some other pictures related to them. The pictures are compressed but I can provide them in original resolution if anyone is interested.

I'm including my favorite pics with this post. Am I seeing eyes on this guy or is that just coloration?

Locality: unknown. Length: 1 - 5mm observed . Photographer: Jack Kryppy.

Jack Kryppy

Kryppy, J, 2006 (Nov 7) Re: Polyp-feeding nudibranch. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Jack,
Yes the black speck is an eye. I suspect the brown speckling scattered over the body wall and the foot are branches of the digestive gland which suggests that this is a solar powered species. It would be interesting to know if you find any egg masses. It is possible these are juveniles of a larger species, but I suspect your animals may be full sized.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Nov 7). Comment on Re: Polyp-feeding nudibranch by Jack Kryppy. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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