Brown and Coon, 1991



Citation


Brown, D.J. and Coon, T.G. (1991) Grass carp larvae in the lower Missouri River and its tributaries. North American Journal of Fisheries Management, pp. 62-66

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Ctenopharyngodon idella Spawning conditions Spawning period duration We captured larvae as early as 23 May and as late as 15 July, however, most of the larvae were taken within a 6-d period in late May [The long breeding season was evident in our samples] 23.0 weeks
Ctenopharyngodon idella Spawning conditions Spawning water type Adults spawn upstream in the tributaries [high current velocities and long segments of unimpounded river] Flowing or turbulent water
Ctenopharyngodon idella Egg Egg Buoyancy Currents carry the eggs and larvae to the quiet water at the tributary mouth No category
Ctenopharyngodon idella Larvae Temperature during larval development Water temperature at the time of capture ranged from 23 to 28°C 23.0 °C
Ctenopharyngodon idella Larvae Initial larval size The larvae captured (6.1-7.9 mm TL) ranged in age from 1 to 7 posthatching 7.0 mm
Ctenopharyngodon idella Larvae Larvae behaviour Currents carry the eggs and larvae to the quiet water at the tributary mouth Demersal