Main Ref. | Whitehead, P.J.P., 1985 |
Mode | dioecism |
Befruktning | external |
Mating type | |
Lekfrekvens | one clear seasonal peak per year |
Spawning aggregation | Ref. |
Leker upprepade gånger | Ref. |
Reproductive guild |
nonguarders open water/substratum egg scatterers |
Parental Care | none |
Beskrivning av livscykel ochfortplantningsbeteende | Spawns in rivers. Some enter with ripe gonads and spawn in the lower reaches or even delta (A. kessleri volgensis), others enter unripe and reach as much as 500 km upstream. The young descend in late summer and autumn. |
Sök efter fler referenser om reproduktion | Scirus |