Scientific name: Coryphellina flamma
Taxonomy: Kingdom Animalia → Phylum Mollusca → Class Gastropoda → Subclass Heterobranchia → Infraclass Euthyneura → Subterclass Ringipleura → Superorder Nudipleura → Order Nudibranchia → Suborder Cladobranchia → Superfamily Aeolidioidea → Family Flabellinidae → Genus Coryphellina
Locations: Indo-Pacific
Group: Marine Life → Invertebrates → Nudibranchs
https://www.biotaxa.org/Ruthenica/article/view/64783 says Flabellina rubrolineata (similar look) is just limited to the Mediterranean, Red, and Arabian Seas down to the Indian Ocean (west side).