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Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books. Gig Harbor, Washington. 426pp. at page 53, is, let me quote: " The yellow body color with red siphon and flagellum are characteristic of this species." It was originally posted at these website as Siphopteron sp. B with the description: "It is characterized by a pale pink/whitish colour, red borders at the parapodia, along the margin of the posterior shield, and by the bright red siphon and flagellum." The recent pictures of Gordon Tillen shows a colour variant which was identified before as Siphopteron sp. 3 on the Sea Slug Forum, but is now considered to be a variant of Siphopteron quadrispinosum. Some of the shots show a specimen laying eggs. Pretty similar is Sagaminopteron sp. 03 which differs by the brown bordered yellow spot around the flagellum. More informations on Siphopteron quadrispinosum and many more colour variants are at Bill Rudman's Sea-Slug Forum! |
