a longhead flathead fish (papilloculiceps longicps)

underwater fish reef wildlife animal coral invertebrate rock aquarium leaf sea nature organism water geology reptile longhead flathead papilloculiceps longicps camouflaged animals aquatic camouflage close-up coral reef crocodile fish deep dive flat hiding island large madagascar nature ocean one animal longicps salt water scuba diving sea life tentacled flathead travel tropical undersea underwater