What color characteristics do Hanatsuki Kohaku koi have?
Introduction to Hanatsuki Kohaku / Senbari Kohaku koi. Hanatsuki Kohaku, also called Senbari Kohaku, has a red patch on the head that connects with the red patch on the mouth, with no interruption between them; this is called Hanatsuki Kohaku. The red patch on the head of a Hanatsuki Kohaku must run through to the mouth, while the body portion can appear...

Hanatsuki Kohaku, also called Senbari Kohaku, has a red patch on the head that connects with the red patch on the mouth, with no interruption between them; this is called Hanatsuki Kohaku.
The red patch on the head of a Hanatsuki Kohaku must run through to the mouth, and the body portion can show one red section, two sections, three sections, four sections or even multiple sections; all of these can be Hanatsuki Kohaku.
The red patch on the head of a Hanatsuki Kohaku must run through to the mouth, and the body portion can show one red section, two sections, three sections, four sections or even multiple sections; all of these can be Hanatsuki Kohaku.

Some hobbyists find it difficult to distinguish Hanatsuki Kohaku from Menkaburi Kohaku. In Hanatsuki Kohaku, besides the head red patch needing to run through to the mouth, another point is that its red patch cannot cover the entire head; the edges must retain some white ground, and the main red patch is chiefly concentrated in the middle position between the brain area and the upper part of the mouth.