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Favorinus sp. 01  Genus: M.E. Gray, 1850

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Favorinus sp. 01 is characterized by the purple tips of the cerata, and by the brown lamellate rhinophores. In some specimens are the rhinophores dark pink with brownish apcies, in others tranlucent brownish with white apices. The colour of the cerata depends on the colour of the eggs it has been feeding on, it varies from white to pale orange. The yellowish-orange oral tentacles are relatively long. There is an orange patch on the head, in some specimen an orange longitudinal band.
This species is Favorinus sp. 1 in IPN at page 378.
Reference:
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books.
Gig Harbor, Washington. 426 pp.
It feeds on the eggs of other sea-slugs like all members of the genus Favorinus.
There are many pictures of this species online, at medslugs as Favorinus sp. 02 from North Sulawesi Island, Indonesia, from Bali Island, Indonesia, from Japan (1) Japan(2), and from the Marshall Islands, misidentified as Favorinus pacificus Baba, 1937 (which has smooth rhinophores), and
NUDIPIXEL has pictures of specimens from the Philippines: Anilao (#1), Anilao (#2), Anilao (#3), Anilao(#4),
from Thailand: Koh Phi Phi(#1), Koh Phi Phi(#2),
from Indonesia: Fakfak, Bali Island(#1), Bali Island(#2), Bali Island(#3), Bali Island(#4), Bali Island(#5), Bali Island(#6), Bali Island(#7), Bali Island(#8), Bali Island(#9), Bali Island(#10), Bali Island(#11), Rinca Island(#1), Rinca Island(#2), Rinca Island(#3),
and from Apra Harbor, Guam,
How to cite:
Köhler, E. (2016), published 14 September 2016, Favorinus sp. 01  Genus: M.E. Gray, 1850
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Favorinus_sp_01.htm