Those are some NICE LMB, a few look a bit skinny.

Those aren't grass carp, those are common carp. Catch all of those out that you can. Or bowfish them out.

Here's what a grass carp looks like.


See how the head, scales, dorsal fin, color and general body shape is different than yours? Yours have a "bugle" shaped mouth too.



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[Linked Image from lh6.ggpht.com]
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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).