spot-fin porcupinefish, diodon hystrix in a tropical coral reef of andaman sea

porcupinefish fish tropical coral reef porcupine spot-fin spot fin spotfin spotted black-spotted black common diodon hystrix spotfin blowfish ballon balloonfish underwater sea ocean marine life animal water nature fauna undersea wild saltwater biodiversity scuba diving dive aquatic environment wildlife fishes similan islands surin red koh tao maldvies andaman sri lanka