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Notes: Yellow tubes, smooth or with little branchelets. In The Bahamas it is difficult to decide when a small specimen with branchelets is A. fistularis or A. insularis (Duchassaing & Michelotti, 1864), also pictured here. Aggregated tubes were called forma aggregata by Wiedenmayer (1977).
Author Reference: (Pallas, 1766)
Link: World Porifera Database