Duffy, 1998



Citation


Duffy, W.G. (1998) Population dynamics, production, and prey consumption of fathead minnows (Pimephales promelas) in prairie wetlands: a bioenergetics approach. Can. J. Fish. Aquat. Sci., pp. 15-27

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Pimephales promelas Spawning conditions Parental care Adult males guard the nest and deposit a mucus layer on the spawning surface that may enhace egg survival by imporving egg attachment Male parental care
Pimephales promelas Spawning conditions Spawning temperature Begins spawning when water temperature approach 18°C and continues until it drops below 18°C 18.0 °C
Pimephales promelas Egg Incubation time 4 days at 25°C 4.0 days
Pimephales promelas Egg Degree-days for incubation About 100 [4 days at 25°C] 100.0 °C * day
Pimephales promelas Egg Temperature for incubation 25°C 25.0 °C
Pimephales promelas Female Absolute fecundity Annual fecundity of 6.8 to 10.6 egg per female 6.8 thousand eggs
Pimephales promelas Larvae Onset of exogeneous feeding Begin feeding the day of hatching No data
Pimephales promelas Spawning conditions Spawning release Fractional spawner: can result in from 16 to 26 spawning events per females Fractional
Pimephales promelas Spawning conditions Parity They are short live, with most dying adter spawning at an age of 1 year, althoufh a small proportion of any population lives at and age of 2+ years No category