Mr. Nishihara has created a small series here of Eel vs. Octopus. The Moray Eels (utsubo) can grow to 3 meters long and live in Japanese mythology, along with octopus.
There were only 3 pieces made. #1 of 3 sold at the DC '25 Pen Show. Numbers #2/3 and 3/3 are available here. Each piece signed and numbered by Mr. Nishihara.
Based on the Model 03 Modified with solid cap. Lifetime warranty, converter, paperwork, pouch, box, all included. $850.