This figure is a second figure of the Japanese silver crucian carp (or Langsdorf’s Goldfish, or Ginbuna in Japan), Carassius langsdorfii. As before, it is stamped number 16 but being a secret figure from the Book 2 second release series, it is number 17 in that list.
All Langsdorf’s Goldfish Reviews
Japanese Silver Crucian Carp (Freshwater Fishes Book 2, second release by Yujin)
3.6 (5 votes)
Note – a lot more information has become available since I first wrote this one!
This figure is the Japanese silver crucian carp (or Langsdorf’s Goldfish, or Ginbuna in Japan), Carassius langsdorfii (according to Fishbase; earlier sources refer to it as the subspecies Carassius auratus langsdorfii ), stamped number 16 and listed as figure 1 from the Book 2 series, second.