Erect rope sponge (Amphimedon compressa), St. Lucia, West Indies, Caribbean, Central America

Sea Fan (Muricella sp.), rope Sponges and diver. Gorontalo, Sulawesi, Indonesia

Red rope sponge and precious black coral tree, Little Cayman Island, Cayman Islands, Caribbean

Red rope sponges (Aplysina caulifrons) on underwater cliff with precious black coral, Little Cayman Island, Cayman Islands, Caribbean

Rope Sponges (Callyspongia sp.) and diver. Gorontalo, Sulawesi, Indonesia

Red rope sponges (Aplysina caulifrons) on underwater cliff, Little Cayman Island, Cayman Islands, Caribbean

Rope Sponges (Callyspongia sp.) and diver. Gorontalo, Sulawesi, Indonesia

Red rope spoges on underwater cliff, Little Cayman Island, Cayman Islands, Caribbean

Red rope sponge and precious black coral tree, Little Cayman Island, Cayman Islands, Caribbean

Red rope Sponge. Mexico.

Red rope sponges (Aplysina caulifrons) on underwater cliff with precious black coral, Little Cayman Island, Cayman Islands, Caribbean

Red rope sponges (Aplysina caulifrons) on underwater cliff, Little Cayman Island, Cayman Islands, Caribbean

Red rope sponge and precious black coral tree, Little Cayman Island, Cayman Islands, Caribbean

Close-up of Row Pore Rope Sponge (Aplysina Cauliformis) underwater, Cayman Islands, West Indies

Close-up of Row Pore Rope Sponge (Aplysina Cauliformis), Turks and Caicos Islands, West Indies

Close-up of Row Pore Rope Sponge (Aplysina Cauliformis) underwater, Cayman Islands, West Indies

Close-up of Row Pore Rope Sponge (Aplysina Cauliformis) underwater, Cayman Islands, West Indies

Rope sponge and scuba diver, Catalina, Caribbean Sea, Dominican Republic, West Indies, Central America