Agelas conifera (Schmidt, 1870)
Brown tube sponge
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Family:  Agelasidae ()
Max. size:  50 cm TL (male/unsexed)
Environment:  reef-associated; brackish; marine; depth range 9 - 12 m
Distribution:  Western Central Atlantic.
Diagnosis:  Laterally fused tubes running on branches (Ref. 81728): up to 50 cm long, 10 - 20 cm in diameter. Light to purplish brown externally, yellow to tan internally. The surface is smooth, with meandering groves occasionally. Oscules on the inner walls of the tubes few millimeters in diameter (Ref. 415).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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