Tritoniopsis frydis is a species of dendronotid nudibranch, a marine gastropod mollusc in the family Tritoniidae.
Description The maximum recorded body length is 20 mm.Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
Habitat Minimum recorded depth is 2 m. Maximum recorded depth is 3 m.
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