Table 2 Overall amino acid identities of PSS1 between olive flounder and other fishes
| Species | Homology (%) |
| Teleostei | | |
| Perciformes | Haplochromis burtoni | 86.0 |
| Epinephelus coioides | 85.0 |
| Siniperca chuatsi | 85.0 |
| Cypriniformes | Ctenopharyngodon idella | 54.0 |
| Megalobrama pellegrini | 53.0 |
| Danio rerio | 53.0 |
| Carassius auratus | 52.0 |
| Lepidosireniformes | Protopterus annectens | 42.0 |
| Pelteobagrus vachellii | 41.0 |
| Chondrostei | | |
| Acipenseriformes | Acipenser sinensis | 45.0 |