
''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 Sep 6, 2020. Captured Nov 4, 2019 09:17 in Unnamed Road, Kobe, Weda Tengah, Kabupaten Halmahera Tengah, Maluku Utara, Indonesia.