Its color is brown, tan, or greyish brown with a lighter interior.

It is common in the Caribbean and Bahamas, and occasional in Florida.

[1] Agelas conifera contains bromopyrrole alkaloids, notably sceptrin and oroidin, and levels of these feeding-deterrents increase upon predation.

[2] Agelas conifera exhibit a wound response, increasing the production and release of bromopyrrole alkaloids, which appear to also protect against harmful microorganisms.

[3] This article about a demosponge is a stub.