Glossodoris hikuerensis from the Solomon Ids

June 25, 2001
From: Bruce Potter

Bill,
I found this Glossodoris hikuerensis last Sunday on the Bonegi 2 shipwreck just outside of Honiara, Solomon Islands. It was at about 6 meters on a piece of dead coral. At over 11 cm, it is one of the largest nudibranchs I have found. The left rhinophore was either damaged, or malformed. The gills were like a small chrismas tree, rising through several layers. At one stage it exuded slime that trailed off in the current like streamers.
Regards
Bruce Potter.

bruce.potter@adventist.org.sb

Potter, B., 2001 (Jun 25) Glossodoris hikuerensis from the Solomon Ids. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/4640

Thanks Bruce,
I certainly knew this as a relatively large species but can't say I have met one 11cm long. The spiralling gills are quite characteristic of this genus and I suspect it is a way of increasing the number of gills as the animals get larger, or their body wall get thicker and so more inefficient as a secondary organ of gas exchange.
Cheers,
Bill Rudman

Rudman, W.B., 2001 (Jun 25). Comment on Glossodoris hikuerensis from the Solomon Ids by Bruce Potter. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/4640

Factsheet

Glossodoris hikuerensis

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