Jason mirabilis is a species of sea slug, or more precisely an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.Rosenberg, G. (2013). Jason Miller, 1974. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=599254 on 2013-07-18
References
Sea Slug Forum info Spencer H.G., Willan R.C., Marshall B.A. & Murray T.J. (2011) Checklist of the Recent Mollusca Recorded from the New Zealand Exclusive Economic Zone.
Further reading
Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979