Why is my Jack SOOO dark? Almost black. Comparison video included

[kenhamson]

http://www.youtube.com/watch?v=xOISmuJ9-nU

My regular Jack and the smaller MUCH darker one.
Honestly, the darker one looks so much cooler because the colored scales stand out
Let me know what you guys think.

 

[OscarMan0315]

Their colors will vary. My JD's color fluctuates depend on his mood.

 

[darippa]

Your fish is the lowest on the totem pole. He's being dominated. As long as this happens it will never lighten up.