Hallaxa fuscescens from Heron Island, Queensland

August 23, 2006
From: Julie Marshall


Dear Bill,

Following your images of Hallaxa fuscescens I am attaching a couple of photos of this species from Heron Island [Great Barrier Reef] It was found under a dead coral slab at the reef crest at low tide and was 16 mm in size.

Locality: Heron Island, Intertidal, Queensland, Australia, Pacific, 10 Nov. 2000, Intertidal. Length: 16 mm. Photographer: Julie Marshall.

Best wishes
Julie Marshall

juliemarshall@netspace.net.au

Marshall, J.G., 2006 (Aug 23) Hallaxa fuscescens from Heron Island, Queensland. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17550

Dear Julie,
Thanks for this record. I don't know if you realised, but the translucent greyish 'film' that the Hallaxa has its head on in your photo, is a colony of the 'slime sponge' Halisarca on which I reported it feeding. In my photos, [message #17533], only patches of the sponge colony remain. Your message provides a valuable confirmation of my observations.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Aug 23). Comment on Hallaxa fuscescens from Heron Island, Queensland by Julie Marshall. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17550

Factsheet

Hallaxa fuscescens

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