turquoise color and complex structure of pineapple brain coral at low tidea

abstract alien animal aquarium aquatic azure background bacteria bio biological blue brain close closeup color colors complex complexity coral cyan delicate design detail exotic exposed favia green hexagon hexagonal honeycomb indonesia interesting intricate living macro micro microorganism mineral ocean organic organism pattern pentagon pineapple polyp polyps reef reflection sea shape species structure texture tide tropical turquoise ultraviolet underwater water world motif stone marine