Scientific name: Pauleo jubatus
Taxonomy: Kingdom Animalia → Phylum Mollusca → Class Gastropoda → Subclass Heterobranchia → Infraclass Euthyneura → Subterclass Ringipleura → Superorder Nudipleura → Order Nudibranchia → Suborder Cladobranchia → Superfamily Aeolidioidea → Family Facelinidae → Genus Pauleo
Locations: Caribbean
Group: Marine Life → Invertebrates → Nudibranchs
These glow under UV. I don't have a visible light shot of them for comparison (yet).