Can LongFin Serpae Tetra see in the dark and do they prefer light or dark better?

Anonymous2016-11-14T16:12:17Z

Longfin Serpae Tetra

?2016-01-02T17:40:41Z

They can't really see in the dark much better than we can. But, they do need periods of darkness to rest. And very bright light will stress them. Keep the lights low until you have live plants.