| Thông tin chủ yếu | Whitehead, P.J.P., 1985 |
| Mẫu | dioecism |
| Sự bón phân | external |
| Mating type | |
| Tần số đẻ trứng | one clear seasonal peak per year |
| Spawning aggregation | Tài liệu tham khảo |
| Con vật sinh sản từng đợt | Yes. Tài liệu tham khảo Morrow, J.E., 1980 |
| Loại cùng tái sinh sản |
nonguarders open water/substratum egg scatterers |
| Parental Care | none |
| Mô tả chu kỳ sống và tập tính ghép đôi | Some shad spawn immediately on entering fresh water while others may undertake fairly long journeys, as much as 630 km upstream, to their favored spawning grounds (Ref. 4607). Enters rivers as early as November (Florida) and as late as May or June in the north, depending on water temperature (peak runs at about 18.5 °C). Spawning occurs at sundown and continues until after midnight. The fish pair and swim close together, releasing eggs and milt (Ref. 27547). Adults descend shortly after spawning, the young in the autumn. Spawning reported from 8-26°C, generally occurs at 12-21°C (Ref. 38954). |
| Tìm các tài liệu tham khảo khác về tái sinh sản | Scirus |