Kazunoko - herring roe, usually served marinated in sake, broth, and soy sauce, sometimes served raw, kazunoko konbu. Saba - mackerel, almost always served after being lightly salted and marinated for a few days, so really cooked. Raw mackerel is sometimes served but it must be extremely fresh as it goes off quickly. Sake - Rice wine. Served both hot and cold depending on the quality.
Some people love it, some people hate it.
Sake - Salmon. Sashimi - Raw fish fillets sans the sushi rice. Sansho - Japanese pepper. It will probably not be on the menu, ask for. Shiratake - Translucent rubbery noodles.