 The noodle is more commonly known as "silver needle noodle" in Hong Kong and Taiwan, and "rat noodle" in Malaysia and Singapore.It is known as "locupan" in Indonesia.The noodles are named as such because the shape of the noodles is long and tapered much like a rat's tail, translucent white like needles, or from the way the noodles are made by pushing them through the holes of a sieve.