Ghost Goby on Sea Sponge, Bryaninops ridens, Giftun Island, Red Sea, Egypt
A Slender Spongegoby (Phyllogobius platycephalops) and two different species of crabs. Attached to the goby are several parasites with egg cases, that will likely prove fatal over time. Many species live on the convuluted surface of this sponge, Philippin
Triplefin on Orange Sponge, Tripterygion delaisi, Spirastrella cunctatrix, La Vaca, Medes Islands, Costa Brava, Mediterranean Sea, Spain