Meaning
白魚 (しらうお, Shirauo) is Icefishes, a Japanese food (water animals).
What is Icefishes?
Shirauo (icefishes, noodlefishes), forming the family Salangidae, are related to the smelts. They are found in Eastern Asia, ranging from the Russian Far East in the north to Vietnam in the south, with the highest species richness in China. Shirauo refers especially to the Japanese icefish, Salangichthys microdon .