| Κύρια Αναφ.: | Morrow, J.E., 1980 | |||||||||||
| Αναφορά για στοιχεία: | ||||||||||||
| Χώρα: | ||||||||||||
| Περιοχή γεννοβολίας: | riverine | |||||||||||
| Περιοχή: | Not specified | |||||||||||
| Εποχή: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | 111 | ||||||||||
| Αναλογία φύλων: | % Αναφ.: | |||||||||||
| Θερμοκρασία: | 4.4 - 7.8 °C | |||||||||||
| Gestation period: | month/s | |||||||||||
| Μήκος απογόνου: | cm | |||||||||||
| Πολλαπλοί αποθέτες | ||||||||||||
| Ημερήσια συχνότητα γεννοβολίας |
- Mean: |
|||||||||||
|
Min Ref.: Max Ref.: Mean Ref.: |
||||||||||||
| Σχόλια: | Spawning occurs during the spring, beginning mid-March in the southern part of the range and extending well into May at the northern end. It occurs in major rivers or in tributaries, over coarse sand and pea-sized gravel in water up to 7.6 m deep. Fecundity increases with size and age of the individual (Ref. 27547). | |||||||||||