Bruce, I'd have to say the SMB, LMB, and YP have the best body conditions.
I've never caught a Channel Cat, although I've only stocked a total of 30-35 of them over the past few years.
The Grass Carp are chunky at about 16" long.
Excerpt from Robert Crais' "The Monkey's Raincoat:" "She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."