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Callyspongia fistulosa
Callyspongia fistulosa (Kirk, 1911)
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Family:  Callyspongiidae ()
Max. size: 
Environment:  sessile; marine
Distribution:  Southwest Pacific: Kermadec Islands.
Diagnosis:  Massive. Well-developed oval or rounded oscula terminating short fistular processes on the upper surface. Smooth surface, harsh texture. Color: dirty-yellow when dry. Internal skeleton: approximately rectangular mesh; fibres usually stronger longitudinally than transverse; loosely cored with irregularly arranged strand of spicules. Spicules few on the transverse fibres. Dermal skeleton: darker, forming a polygonal network; meshes broken up by finer, irregular fibers in lighter color; spicules never polyserial, but is more numerous in the secondary fibres. Spicules: all oxea, straight or slightly curved (Ref. 88951).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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