Viscous Sponge
| Name: | Viscous Sponge |
| Scientific Name: | Plakortis angulospiculatus |
| Family: | Encrusting Sponges |
| Scientific Family: | Plakinidae |
| Source: | WoRMS AphiaID 169759 |
| Size: | up to 12 in. |
| Depth Range: | Various depths (0 – 130 ft.) |
| Sightings: | Seen sometimes |
This flat Sponge ranges in color from brown to tan and has a smooth, soft surface. It appears to flow, with its shape giving the impression of liquid spreading over surfaces.