Juvenile Hexabranchus strikes again

September 2, 2005
From: Colin Ogden


Hi Bill
I got these 2 photos almost a month apart.
The upper one was on August 2nd and was approx 20mm.
The lower photo was today August 30, and was less than 10mm.

Locality: Sodwana Bay, Bikini Reef, South Africa. Indian Ocean coast. Depth: 22 metres. Length: 20 mm. 30 August 2005. Coral reef. Photographer: Colin Ogden

I believe them to be Hypselodoris rudmani. Is my ID correct. There does not appear to be any change as this nudi matures.
Regards
Colin

scubaco@iafrica.com

Ogden C M, 2005 (Sep 2) Juvenile Hexabranchus strikes again. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14676

Dear Colin,
I wish it was H. rudmani - I haven't seen many photos of my namesake. However these are juvenile Hexabranchus sanguineus, an animal that fools the best of us. When I was doing a review of all the little red and purple spotted chromodorids I was sure this was a chromodorid until I looked at its anatomy. The only external clue are the gills don't have a real pocket to retreat into. See Robert Sozzani's photo [#9954].
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Sep 2). Comment on Juvenile Hexabranchus strikes again by Colin Ogden. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14676

Factsheet

Hexabranchus sanguineus

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