Hyrtios proteus (Duchassaing & Michelotti, 1864)
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Family:  Thorectidae ()
Max. size:  5 cm WD (male/unsexed)
Environment:  sessile; brackish; marine; depth range 0 - 5 m
Distribution:  Western Central Atlantic.
Diagnosis:  Massive-amorphous to globular. Black externally, tan internally. Surface with conules 0.2 - 0.3 cm high, 0.1 - 0.4 cm apart. Membrane-bearing oscules: 0.1 - 0.5 cm wide; scattered or on mound-like elevations. Compressible, tough to tear. Overgrown by other organisms (Ref. 415).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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