Hypselodoris roo  Gosliner & R.F. Johnson, 2018

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Hypselodoris roo is one of a number of species with a bluish background colour, short dark blue lines or spots and yellow or orange spots.
Hypselodoris roo is characterized by the triangular gills, edged in red/brown (2 thin lines) with several white spots on the outer face.
Etymology: Hypselodoris roo comes from the A. A. Milne character Roo, the kangaroo whose mother is Kanga. This species is named H. roo, because it has often been mistaken for H. kanga.
Pretty similar are:
Hypselodoris infucata which has simple gills, edged in red/brown (1 broad line), and lacks the white spots on the outer face of the gills, and
Hypselodoris confetti which has also triangular gills edged in deep blue (2 thin lines), three to five yellow spots on the outer face.
This species was misidentified and posted on 20 June 2003 at these websites as Hypselodoris kanga  Rudman, 1977.
Epstein et al. (2018) restricted Hypselodoris kanga  Rudman, 1977 to the Indian Ocean,
and described the very similar species Hypselodoris confetti  Gosliner & R.F. Johnson, 2018 and Hypselodoris roo  Gosliner & R.F. Johnson, 2018.
I changed it on 19 September 2018 into Hypselodoris roo  Gosliner & R.F. Johnson, 2018.
Epstein, H. E.; Hallas, J. M.; Johnson, R. F.; Lopez, A.; Gosliner, T. M. (2018). Reading between the lines: revealing cryptic species diversity and colour patterns in Hypselodoris nudibranchs (Mollusca: Heterobranchia: Chromodorididae).
Zoological Journal of the Linnean Society. 2018, XX, 1–74. With 40 figures., available online at https://doi.org/10.1093/zoolinnean/zly048
How to cite:
Köhler, E. (2019), published 13 February 2019, Hypselodoris roo  Gosliner & R.F. Johnson, 2018
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Doridina/Hypselodoris_roo.htm


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