A pair of colorful tunicates grows on a reef in Lembeh Strait, Indonesia. This is a filter-feeding organism.

anemone animal animal themes animals in the wild aquatic ascidiacea beauty in nature biodiversity close up color image coral triangle day filter feeders horizontal indo pacific ocean indonesia invertebrate lembeh strait marine biology multicellular organisms no people ocean outdoors photography sea sea life sea squirts sessile southeast asia sulawesi symbiotic relationship translucent tropical climate tunicate underwater wilderness wildlife zooid zoology