"A king among black eels, and lord of the waters of the upper Hathoeva River. Some claim that jerking up, up, down, down, left, right, left, and right on one's pole increases chances of landing this slippery specimen."

Haven't gotten Fisher to 50 yet but can you actually do this? Or is SE just having a good time? Maybe some kind of code from a previous game...[EX: Konami Code]?