Kestemont, 1987



Citation


Kestemont, P. (1987) Etude du cycle reproducteur du goujon Gobio gobio L. 1. Variations saisonnières dans l'histologie de l'ovaire. J. Appl. Ichthyol., pp. 145-157

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Gobio gobio Spawning conditions Spawning temperature 16-17 is the minimum required 16.5 °C
Gobio gobio Spawning conditions Spawning period duration 4-8 [A female spawns about 4 times, with an interval of 1-2 weeks between each] 6.0 weeks
Gobio gobio Female Maximum GSI value 16.5% [June, and July] 16.5 percent
Gobio gobio Female Oogenesis duration 9-10 [October to June] 9.5 months
Gobio gobio Female Resting period 1-2 [August-September] 1.5 months
Gobio gobio Female Onset of oogenesis Mid-October [Greatly decreased between November to April] ['April', 'October', 'November']
Gobio gobio Female Intensifying oogenesis activity May ['May']
Gobio gobio Female Oocyte development Asynchonous Asynchronous
Gobio gobio Spawning conditions Spawning release Up to four batches Mutliple