Dendronotus? from Java Sea

February 9, 2005
From: Erwin Kodiat

A friend of mine, Budi Ramadi Jerry, took this picture in his dive at Sangiang Island, West Java, Indonesia. Do you think it is Dendronotus? He suspected it is a nudibranch, but I suspected it is a sea cucumber.
Erwin Kodiat

Kodiat, E., 2005 (Feb 9) Dendronotus? from Java Sea. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Erwin,
Although it looks quite like a sea cucumber, the black knob at the left end of the animal is its rhinophore, the chemosensory head tentacle found in sea slugs. It's almost certainly the same as the animal we already have a photo of on the Forum, which looks very like a Dendronotus, a genus usually found in temperate waters. As you suspect, it is the animal on the Forum labelled as Dendronotus ?
Best wishes
Bill Rudman


Rudman, W.B., 2005 (Feb 9). Comment on Dendronotus? from Java Sea by Erwin Kodiat. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Dendronotus sp. 1

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