Sponge Guide

UNCW National Science Foundation Valdosta State University Universidad Nacional de Colombia

Observed Characteristics:


  • black
  • brown
  • purple-violet


  • encrusting
  • lobate
  • massive
  • tube


  • soft

Sample Locations:

  • Bahamas

Hyrtios violaceus

Notes: Also known as Oligoceras hemorraghes de Laubenfels, 1936. Sprawling, irregular, soft masses of interconnected repent fingers or blunt ridges with slightly elevated oscules located on top. Color brownish to purplish. Exudates purple ink but only sometime after collection.

Author Reference: (Duchassaing & Michelotti, 1864)


Link: World Porifera Database