オビトウカイスズメダイMeanings1nounOkinawa chromis; Chromis okamuraiA species of damselfish found in Okinawan waters. Scientific name: Chromis okamurai.沖おき縄なわの海うみでオビトウカイスズメダイを見みつけた。I found an Okinawa chromis in the sea off Okinawa.