Black Sponge? REEF2REEF Saltwater and Reef Aquarium Forum

What is this black looking sponge like stuff In my reef tank

Has anyone had success keeping sweet reef sponges like this

Black Sponge? REEF2REEF Saltwater and Reef Aquarium Forum

Black Sponge? REEF2REEF Saltwater and Reef Aquarium Forum

Sponge ok to have? REEF2REEF Saltwater and Reef Aquarium Forum

What is this black hitchhikera sponge? REEF2REEF Saltwater and Reef Aquarium Forum

Disease and treatment? REEF2REEF Saltwater and Reef Aquarium Forum

Sponge REEF2REEF Saltwater and Reef Aquarium Forum

Yellow round sponge REEF2REEF Saltwater and Reef Aquarium Forum

Black sponge REEF2REEF Saltwater and Reef Aquarium Forum

Black Encrusting sponge ID REEF2REEF Saltwater and Reef Aquarium Forum

Experts-What is this black stuff? REEF2REEF Saltwater and Reef Aquarium Forum

Furred sponge crab? REEF2REEF Saltwater and Reef Aquarium Forum

Orange sponge looking slug? Never seen this before