
''Atriolum robustum'' is a colonial tunicate or sea squirt in the family ''Didemnidae''. It is native to the western and central Indo-Pacific where it is usually found anchored to a hard surface in shallow water.
Similar species: Simple Sea Squirts
By Patomarazul
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Uploaded Aug 8, 2018. Captured May 15, 2018 09:25 in Unnamed Road, Paudean, Lembeh Sel., Kota Bitung, Sulawesi Utara, Indonesia.
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Note that if you think it is worthwhile to share individual species separately, it would totally be cool to make different crops of the same photo, each highlighting a different species. I'll leave it to you to decide if this is worthwhile. Posted 7 years ago