Re: Hallaxa michaeli - feeding record

July 26, 2006
From: Nicholas Missenden

Concerning message #15628:

Hi Bill,
Thank you for your response to my identification problem for this nudibranch. I find that these nudibranchs are quite common once you know where to look for them. I have found them on all the different coloured sponges in this class, from the pink, yellow/off white and grey. If you would like me to make any more observations (ie: more feeding records / mating) on this particular species just let me know and I'll be happy to help.
Regards
Nick

njmpm@iinet.net.au

Missenden, N., 2006 (Jul 26) Re: Hallaxa michaeli - feeding record. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17219

Dear Nick,
I would love to get some more information on this species, especially feeding, mating, colour variation etc. We know very little about this group of sponges as well, so photos, like your earlier one, showing us some detail on the sponge colonies as well would be great. As I mentioned before, there is a suggestion the sponge is found in association with stalked ascidians and cunjevoi, but I have no idea whether it is an obligatory relationship or whether the sponge can live quite happily away from the ascidians.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Jul 26). Comment on Re: Hallaxa michaeli - feeding record by Nicholas Missenden. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17219

Factsheet

Hallaxa michaeli

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