Wellborn, T.L. and Tucker, C.S. (1985) Chapter 1 An overview of commerical catfish culture., pp. 1-12
Species | Development state | Trait | Primary Data | Secondary Data |
Ictalurus punctatus | Egg | Egg Buoyancy | Settle to the bottom | Demersal |
Ictalurus punctatus | Egg | Egg adhesiveness | Within a minute they become sticky and adhere to each other and the aquarium bottom | Adhesive |
Ictalurus punctatus | Egg | Temperature for incubation | At 30°C or higher, water temperature can adversely affect egg developmet and fry survival | 30.0 °C |
Ictalurus punctatus | Female | Relative fecundity | Most 6.6-8.0, range 3-12 | 7.3 thousand eggs/kg |
Ictalurus punctatus | Spawning conditions | Spawning season | From Mid-April or Mid-May until July | ['April', 'May', 'June', 'July'] |
Ictalurus punctatus | Spawning conditions | Spawning period duration | 6-8 [From Mid-April or Mid-May until July] | 7.0 weeks |
Ictalurus punctatus | Spawning conditions | Spawning temperature | Begin to spawn when the minimu water temperature exceeds 21°C for several days, normal spawning temperature is from 21 to 29 with 26 considered to be optimal | 21.0 °C |
Ictalurus punctatus | Spawning conditions | Spawning substrate | Spawn under ledges, around or in submerged logs, stumps, or roots and in cavities in the bank | No category |
Ictalurus punctatus | Spawning conditions | Spawning site preparation | The male typically prepares a nest by clearing soft mud and debris from an esaily protected area | No category |
Ictalurus punctatus | Spawning conditions | Parental care | After the male has mated with a female he drives her away and cares for the eggs and fry after hatching | No category |