Appearance
''Favorinus tsuruganus'' grows to a maximum length of 25 mm. The back and oral tentacles are opaque white and there is a yellow patch on the front of the head. The rhinophores are black, and swell in a collar-like shape in three places. The cerata have black tips with the digestive gland duct being orange, a distinguishing feature of this species.
Distribution
This species occurs in Japan, more rarely in eastern Australia down to around Sydney, and has a wide western Pacific distribution.
Behavior
''Favorinus tsuruganus'' feeds on the eggs of a wide range of other opisthobranchs, in particular, Hexabranchus.Food
''Favorinus tsuruganus'' feeds on the eggs of a wide range of other opisthobranchs, in particular, Hexabranchus.References:
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