An Imperial Nudibranch at a south Oahu reef. Your #sealife #photooftheday

#yellow #seaslug #Thursday

@nauticamhousings

@sonyunderwater

@sonyalpha

@inon_japan #Oahu #sea #ocean #pacificocean #marinelife #animals #nature #wild #wildlife #outdoors #explore #environment #earth #water #climatechange #reef #photo #photography #pictureoftheday #picture #scuba #snorkeling #travel