reef manta ray or manta alfredi or mobula alfredi and stingray.

alfredi animal aqua aquarium aquatic belly big biodiversity biological biology black bright color cute diversity eco ecology elegance face fin flat giant gill indo interesting japan large life long manta marine mobula natural nature ocean okinawa outstanding pacific pattern pectoral ray reef saltwater sea shape smile species spiracle stingray swim swimming tail triangular tropical water white wide widespread zoology