The top of the reef wall at 45 meters depth is covered in a diverse array of sponges (rope sponges, Iotrochota birotulata; orange stalked sponges, Axinellidae), gorgonians (brown sea fan, Iciligorgia schrammi), black whip corals (Stichopathes), and scleractinian corals.
Array of Sponges
Image courtesy of Cuba’s Twilight Zone Reefs and Their Regional Connectivity. Download larger version (jpg, 498 KB).

The top of the reef wall at 45 meters depth is covered in a diverse Array Of Sponges (rope sponges, Iotrochota birotulata; orange stalked sponges, Axinellidae), gorgonians (brown sea fan, Iciligorgia schrammi), black whip corals (Stichopathes), and scleractinian corals.

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