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. 2005 Dec 28;34(Database issue):D572–D580. doi: 10.1093/nar/gkj118

Table 1.

The number of orthologs between each pair of fully sequenced animal genomes in TreeFam

Mouse Rat Chicken Zebrafish Pufferfish Fruitfly C. elegans C. briggsae
Human 16 424 H 15 572 H 12 075 H 11 203 H 12 089 H 7878 H 7349 H 6977 H
17 401 M 16 088 R 10 839 C 12 815 Z 11 852 P 4895 F 4612 Ce 4312 Cb
Mouse 17 782 M 12 550 M 12 047 M 12 642 M 8063 M 7520 M 7120 M
16 782 R 10 633 C 12 593 Z 11 708 P 4875 F 4553 Ce 4296 Cb
Rat 11 784 R 10 981 R 11 537 R 7514 R 7127 R 6758 R
10 127 C 12 000 Z 11 089 P 4720 F 4380 Ce 4118 Cb
Chicken 10 876 Z 10 040 P 5810 C 5396 C 5098 C
8225 C 9081 C 4338 F 4281 Ce 4013 Cb
Zebrafish 10 151 P 7999 Z 7844 Z 7247 Z
12 249 Z 4305 F 4137 Ce 3887 Cb
Pufferfish 7613 P 7292 P 6877 P
4781 F 4519 Ce 4267 Cb
Fruitfly 4055 F 3954 F
4485 Ce 4223 Cb
C.elegans 8126 Ce
7339 Cb

For example, 16 424 human genes are orthologous to 17 401 mouse genes. Here H = human, M = mouse, R = rat, C = chicken, Z = zebrafish, P = pufferfish, F = fruitfly, Ce = C.elegans and Cb = C.briggsae.