Figure 53.9 - 53.13. 53.9. Isopsetta isolepsis (Butter Sole); body region I; scale bar = 250 µm. 53.10. Isopsetta isolepsis (Butter Sole); body region J; scale bar = 250 µm. 53.11. Isopsetta isolepsis (Butter Sole); body region J; scale bar = 250 µm. 53.12. Isopsetta isolepsis (Butter Sole); body region J; scale bar = 500 µm. 53.13. Isopsetta isolepsis (Butter Sole); sketch of living specimen; length = 55 cm. (To see enlargement, click on image.)