A blue line grouper (Cephalopholis formosa) swims on a reef in the Lesser Sunda Islands of Indonesia.

actinopterygii alor animal animal eyes animal head animal markings animal patterns animal themes blue line grouper cephalopholis formosa close up color image coral triangle day detail eyeball eyes fish flores grouper headshot horizontal indonesia komodo lesser sunda islands marine biology nature no people ocean one animal pacific ocean part of pattern perciformes photography portrait sea sea life seascape serranidae side view southeast asia striped sumbawa swimming tropical fish undersea underwater wildlife zoology