Yellowtail refers to a South African linefish with a black body , yellow tail and stripe down the middle. The flesh is quite dark red and is superb butterflied on a Braai . It is also firm enough to be skewered.
Yang-gomtang refers to a Korean beef tripe soup. It is a soup made solely of beef tripes which is simmered for a long period with ginger, garlic, green onions and other ingredients.
Yang-gomtang is said to be an Aphrodisiac.