Keywords: MID7325, SMID7473, Amphitrite 70, Amphitrite 71, Nereides 205, Poseidon/Neptunus 104, Skylla I (S) 34, mosaic, black and white, Roman, opus tessellatum, 117/138, Ostia, Italy, II, IV, 2, Terme di Nettuno, kantharos, torch, fish, quadriga, thiasos, dolphin, wedding, hippocamp, ketos, sea monster, sea, Amphitrite, Poseidon, Triton, Nereides