Which specific island group is cited as a core area of endemism for C. daedalma?

Answer

Ryukyu Islands

The geographical distribution of the Wrought-iron Butterflyfish is concentrated, identifying it as an island specialist. Primary records consistently anchor its known range in the Western Pacific Ocean, with the Ryukyu Islands specifically highlighted as the nucleus or core area where the species exhibits endemism. This location represents the northern limit of its established territory, suggesting that the species' biogeographical history is strongly tied to this specific chain of islands.

Which specific island group is cited as a core area of endemism for C. daedalma?
locationfishButterflyfish