Gale and Buynak, 1982


Citation

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

Associated characteristics

Species Development state Trait Primary Data Secondary Data
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] Demersal
Pimephales promelas Egg Egg adhesiveness Adhesive Adhesive
Pimephales promelas Female Relative fecundity 1.7-4.0 2.85 thousand eggs/kg
Pimephales promelas Male Male sexual dimorphism Bears breeding tubercles Absent
Pimephales promelas Spawning conditions Spawning season Between May 22 and August 22 ['May', 'August']
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 Spawning conditions Spawning substrate Eggs are spawned on the undersurfaces of submerged or floating objects No category
Pimephales promelas Spawning conditions Nycthemeral period of oviposition Night and early morning, no spawning occurred between dusk and 2400 hours Night
Pimephales promelas Spawning conditions Mating system Male may spawn with several females No category
Pimephales promelas Spawning conditions Spawning release Fractional spawner Fractional
Pimephales promelas Spawning conditions Spawning release Females released 16 to 26 batches of 391-480 eggs at intervals of 2 to 16 days (mean 3.9) Multiple
Pimephales promelas Spawning conditions Parity Postspawning mortality is often great for both males and females No category
Pimephales promelas Spawning conditions Parental care Male guards the nest and drives off other males Male parental care