Gale, W.F. and Buynak, G.L. (1982) Fecundity and spawning frequency of the fathead minnow-A fractional spawner. Trans. Am. Fish. Soc., pp. 35-40
Species | Development state | Trait | Primary Data | Secondary Data |
Pimephales promelas | Spawning conditions | Mating system | Male may spawn with several females | No category |
Pimephales promelas | Spawning conditions | Nycthemeral period of oviposition | Night and early morning, no spawning occured between dusk and 2400 hours | Ambiguous |
Pimephales promelas | Spawning conditions | Parental care | Male guards the nest and drives off other males | Male parental care |
Pimephales promelas | Spawning conditions | Spawning substrate | Eggs are spawned on the undersurfaces of submerged or floating objects | No category |
Pimephales promelas | Spawning conditions | Spawning temperature | 15.6-28.9 [The critical temperature at which spawning starts seems around 16°C] | 22.25 °C |
Pimephales promelas | Spawning conditions | Spawning water type | Ponds | Stagnant water |
Pimephales promelas | Male | Male sexual dimorphism | Bears breeding tubercles | Absent |
Pimephales promelas | Egg | Egg adhesiveness | Adhesive | Adhesive |
Pimephales promelas | Female | Relative fecundity | 1.7-4.0 | 2.85 thousand eggs/kg |
Pimephales promelas | Egg | Egg size after water-hardening | Eggs expand as they water-harden | No data |
Pimephales promelas | Egg | Egg Buoyancy | Demersal [Eggs are spawned on the undersurfaces of submerged or floating objects] | Ambiguous |
Pimephales promelas | Spawning conditions | Spawning season | Between May 22 and August 22 | ['August', 'May'] |
Pimephales promelas | Spawning conditions | Spawning release | Fractional spawner | Fractional |
Pimephales promelas | Spawning conditions | Parity | Postspawning mortality is often great for both males and females | No category |