Star anise. Chinese anise. A seed from a tree of the magnolia family which has a flavour reminiscent of liquorice. Stronger than aniseed, it is used in the same way.
Sterlet. A small and very rare sturgeon, the source of the famed golden caviar, the caviar favoured by the Tsars. The fish itself is ugly and eel-like in appearance and is served baked with vegetables. Found in the Volga and Caspian.
Freshwater or snake blennie. A small, scaleless, migratory fish about 10-15 cm (4-6 inches) long with mild, white flesh which can be cooked in the same way as whitebait or used in soups. More commonly refers to a hare. It also means runny to describe omelettes.
Zante or Baltic vimba. A fish. Could you send details (and a picture) to queries@whatamieating.com if you know more?