It is easy to keep with fish that have close water quality requirements, similar body size, and mild character. Such as black lampreys, Paulownia lampreys, lemon lampreys and other lampreys.

Red and green lampreys love weakly acidic, low hardness water. The best water temperature suitable for breeding are 22 to 28 ℃, mixed with other fish is best to adapt to this range.

The general principles of mixed culture of ornamental fish are as follows:

1, water temperature and water quality requirements close.

2, character does not produce conflict.

3, body size close.

4, appropriate consideration of stratification.