The red ones are ok, they don't look that good without a red light. Here is what they look like without light owned by chineese keeper Shangcong Wu.
View attachment 1374814
Xanthic dats are a lot better since they are yellow with no light. Here is one also on owned by Shancong Wu
https://www.facebook.com/1000097005...840889393/?type=2&video_source=user_video_tab
Here is an in tank video of it
https://www.facebook.com/1000097005...174103393/?type=2&video_source=user_video_tab
Here is vincent's xanthic dat
View attachment 1374813
The white dats are the best imo, especially when they get big here is the monster platinum dat from Kaitori King Kong that sold for 400k usd
sry for kinda hijacking the thread just wanted to answer some of the questions
