(A) Spatio-temporal expression assessed by whole mount in situ hybridization of ezh2, ezh1, eed, suz12a, phc2a, rbbp4, and pcgf6 at 2 dpf. Lateral views are shown for all genes. Dorsal views of ezh2, ehz1, eed, phc2a, and rbbp4. Ventral view of pcgf6. (B) Spatio-temporal expression assessed by whole mount in situ hybridization of ezh2, ezh1, eed, phc2a, rbbp4, bmi1a, and pcgf6 at 3 dpf. Lateral views are shown for all genes. Dorsal views of ezh2, ezh1, eed, phc2a, and rbbp4. in: intestine, pf: pectoral fin (buds), HB: hindbrain, MHB: mid-hind brain boundary, pep: presumptive epiphysis, pa: pharyngeal arches 3–7, ot: optic tectum, re: retina, ob: olfactory bulb, n.d. = no data.