You can pour boiling water directly over the fish, or add the fish to a bowl of boiling water. Once the flesh changes to a white color, immediately remove it and place it in ice water. Once it has cooled, remove any slimy parts, scales etc.
Here's some links for more info...
It looks like the next dragon king, Vashukitsu will have earrings(?) or maybe those are pigtails.
Also, when I saw the Sanskrit names, I realized that I had read about Vasuki somewhere before. I looked it up and found this, https://en.wikipedia.org/wiki/Vasuki
The basic and most commonly used normal speech fonts are Anime Ace or Wild Words. I use CC Astro City for some of the narration parts and Laffayette Comic Pro for some thought bubbles. You can also use some Komika fonts like Komika Text or Komika Text Kaps. I think it's best to use an all...