This food is also called "Oba-ke," and is further called "Oba-yuki" (literally, Oba snow) or "Hana-kujira" (literally, flower whale) because it looks white and transparent externally.
これも「おばけ」などと呼ぶほか、白く透明な外見から「おば雪」「花くじら」とも。