fish roe prepared like caviar, sometimes dyed; the final salt content usually 6% or more; principal species used are lumpsucker, bream, coalfish, cod, carp, herring, mullet, pike, tuna. The designation usually is preceded by the name of the fish, e.g. cod caviar, lumpsucker caviar; in some countries the country of origin is indicated, e.g. German caviar (Deutscher kaviar). Packed and marketed like caviar