1) Cuisine of Sardinia 2) Greek cuisine 3) Italian cuisine 
fish row that is dried and salted taken from grey mullet, tuna, swordfish (called Ovotarica in Calabria)
Dried roe sac of gray mullet or tuna. It is sliced very thin or grated and used in salads and on pasta.
These are dried, salted and pressed roe of grey mullet or tuna and a specialty of Sardinia, Sicily and Veneto. Most often it is served as an antipasto thinly sliced and dressed with olive oil, or grated over pasta.
preserved roe of tuna or mullet