Another photo of Siphopteron sp. 1.

July 28, 1999
From: Atsushi Ono

Dear, Bill

Siphopteron sp.1 is very similar to Siphopteron sp.2 but Siphopteron sp.1 has an orange tip to the siphon.

They may be same species. But I have never seen a middle type. Their only color marks are those shown in the photo.

Siphopteron sp.2 has no color mark, it is only white.

Sincerely,
Atsushi Ono

ononini@cosmos.ne.jp

Ono, A., 1999 (Jul 28) Another photo of Siphopteron sp. 1.. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1124

Dear Atsushi,
Thanks for the extra photo. In this photo there doesn't seem to be any sign of a rhinophoral crest. Perhaps this species will turn out to be a Gastropteron. Also in this photo the white speckling doesn't seem to be as pronounced.
Best wishes,
Bill Rudman.

Rudman, W.B., 1999 (Jul 28). Comment on Another photo of Siphopteron sp. 1. by Atsushi Ono. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1124

Factsheet

Siphopteron sp. 1.

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