The term yellowfin croaker is identified in base64 scheme by the sequence eWVsbG93ZmluIGNyb2FrZXI=, while the MD5 signature is equal to af8f1e5cadfeb53bfeb81ff89c50396d. The ASCII encoding of yellowfin croaker in hexadecimal notation is 79656c6c6f7766696e2063726f616b6572.