Fingered Dragonet Crawling On The White Sand Inside The Aquarium In Numazu, Japan

fingered dragonet dactylopus dactylopus fingered dragonet crawling white sand aquarium numazu japan marine underwater species life creature marine fish fish tropical depth bottom animal diving sea coral nature ocean reef beauty wildlife animal gesture animals in the wild callionymidae macro background waters behavior biology feeding portrait saltwater fish strait bearded behaviour close coral reef dactylopus environment exotic natural