Chokkan means “formal upright” in this Miroshaki Aquascaping Dictionary. A straight upright bonsai style. It comes from bonsai language and is useful for reading roots, trunks, branches and old natural forms.
Japanese: 直幹 Romaji: Chokkan
Meaning of Chokkan
Chokkan is explained here in simple English so beginners can use the word without feeling lost. In Miroshaki style, the term is not only a translation. It is a small way to look more carefully at nature underwater.
How Chokkan Helps in Aquascaping
Use it when wood or plant structure has a clear vertical line. This can help when you choose stones, place wood, create open space, plant moss, or wait for the aquarium to grow into a more natural balance.