Hydractinia altispina Millard, 1955
High-spined commensal hydroid
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Family:  Hydractiniidae ()
Max. size: 
Environment:  pelagic; marine
Distribution:  Southeast Atlantic.
Diagnosis:   
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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