The Mullet Roe or  Mullet Eggs is is the is the lump of tiny eggs of the flathead grey mullet. The flathead grey mullet (Mugil cephalus) is an important food fish species in the mullet family Mugilidae. It is found in coastal tropical and subtropical waters worldwide.  Its length is typically 30 to 75 centimeters (12 to 30 in). It is known with numerous English names, including the flathead mullet, striped mullet (US, American Fisheries Society name), black mullet, bully mullet, common mullet, grey mullet, sea mullet and mullet, among others.