Genomic evidence for Z-W differentiation in Pacific saury (Cololabis saira) and sex-chromosome diversity in Beloniformes
Keishi Ujiie, Tsubasa Kato, Eitaro Sawayama, Yoji Yamamoto
The paper confirms a ZZ/ZW sex-determination system in Pacific saury using ddRAD-seq and Pool-seq, identifies a female-specific marker, and highlights sex-chromosome diversity in Beloniformes.
bioRxiv · Sep 13, 2026 · PreprintGenetics