Do you want sauce with that? Fish sauce, Garum that is... One of the mosaics from the impluvium of the House of Aulus Umbricius Scaurus, Pompeii (7.16.15), showing an urceus of his garum.
Images: Pompeii in Pictures
"G(ari. F(los) SCOM[bri] SCAURI EX OFFI[ci]NA SCAURI"
'The flower of Scaurus' mackerel garum, from the factory of Scaurus'
Expirantis adhuc scombri de sanguine primo
Accipe fastosum, munera cara, garum.
'Receive lordly garum, an expensive present, from the first blood of a mackerel still breathing its last.'