Opaline eyes of a Longspined porcupine fish, a balloon.

animal behaviour swimming submerged 1 animal nobody pattern natural pattern spotted horizontal colour image photography animal cnidarian anthozoan sea anemones and corals coral fin ocean floor reef coral reef flowing water ocean underwater nature beauty in nature nature reserve wildlife reserve marine life wildlife longspined porcupine fish balloonfish actinopterygii tetraodontiformes diodontidae diodon holocanthus florida keys national marine sanctuary underwater photography