Appearance
''Tyrannodoris nikolasi'' is a predominantly dark green animal with light green to yellow horizontal stripes or more continuous superficial pigment. The gills and rhinophores are dark blue or violet. It reaches approximately 15 mm in length. Like other nudibranchs in the genus ''Tyrannodoris'', it is carnivorous, feeding on other seaslugs.Distribution
This species was described from Vanuatu and Malaysia.References:
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