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Very similar are: Dendrodoris nigra which can be distiguished by small white spots and a diffuse submarginal orange band and Dendrodoris fumata which has 5 large gill branches, which reach and extend to the edge of the mantle Dendrodoris arborescens is at the Sea-Slug Forum as a colour variant of Dendrodoris fumata with a comment that Brodie & Calado, (2006) propose this black form of Dendrodoris should be considered a separate species Dendrodoris arborescens (Collingwood, 1881) Brodie, G.D. & Calado, G. 2006. Dendrodoris arborescens (Collingwood, 1881) (Mollusca: Nudirbanchia): larval charcterstics reveal a masked porostome species. Records of the Western Australian Museum Suppl. 69: 119-126. In IPN is at page 282 a picture of a specimen from Luzon, Philippines with a circle of short gills like those of Dendrodoris nigra: Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books. Gig Harbor, Washington. 426pp whilst the black specimens with a red marginal band at the Sea-Slug Forum have a few large gills, like those of Dendrodoris fumata, NUDIPIXEL has both variants from different locations as Dendrodoris arborescens... |
