is that the beaut you got in from Miles? Crenicichla lucius...great pikes!! Here, I found yaz a few pictures and some info...they are a Saxatilis pike...so pretty much what they look like as juv. is what they will look like as adults. Generally...they will get more coloration, but it gives yaz a pretty good idea how they will look. Here, read this...its all you will ever need to know about Saxatilis pikes...very informative... http://www.geocities.com/NapaValley/5491/spangledpikes.html
AND heres some direct info on lucius...