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You say that the file is tab delimited, but there are single space characters (rather than tabs) between fields in your sample file. Which is it?

How long is the longest line in your file? What...

Based on your example input file, this should work:
awk '{for (i=6;i<=NF;i++) if ($i==$9 && i!=9) next}1' file

Then it becomes
awk '{p=1; if ($8!=$9) p=0; for (species=6; species<=10; species++) if (species!=8 && species!=9 && $species==$8) p=0} p' fileNote that p=1 means to be printed, and there are two...

Print lines where the contents of the 9th field is different from the contents of the 6th, 7th, 8th, and 10th fields:
awk 'BEGIN{field=9} {p=1; for (species=6; species<=10; species++) if...

awk -F\\t '$7!=$8' input---------- Post updated at 09:24 PM ---------- Previous update was at 09:14 PM ----------

Please note that the example you paste is not <tab> delimited, it contains a lot...

See if this will help...

awk '
FILENAME != "list"{
if(filename!=FILENAME){
filename=FILENAME;
a[FILENAME"HDR"]=$0;
next;
}
...