Aiteng mysticus is a species of sea slug in the family Aitengidae,[1][3] found around Hisamatsu, Miyako-jima, Okinawa, Japan.

[4] Morphologically it clearly belongs to the Aitengidae, but it shows differences to Aiteng ater at genus or species level.

[4] Its affinity to Aiteng ater is confirmed by comparison of the mitochondrial 16S rRNA sequences.

[4] This article incorporates CC-BY-2.0 text from the reference.

This Heterobranchia-related article is a stub.