Small, B.C., 2006. Managing hatch rate and diseases in catfish eggs. College Station, TX: Texas Agricultural Service, Southern Regional Aquaculture Center.(SRAC Publication No. 1804).
| Species | Development state | Trait | Primary Data | Secondary Data |
| Ictalurus punctatus | Egg | Degree-days for incubation | 18.3; 14.9 | 272.67 °C * day |
| Ictalurus punctatus | Egg | Degree-days for incubation | 21.15; 10 | 211.5 °C * day |
| Ictalurus punctatus | Egg | Degree-days for incubation | 23.9; 7.16 | 171.12 °C * day |
| Ictalurus punctatus | Egg | Degree-days for incubation | 26.7; 5.48 | 146.32 °C * day |
| Ictalurus punctatus | Egg | Degree-days for incubation | 29.5; 4.54 | 133.93 °C * day |
| Ictalurus punctatus | Egg | Degree-days for incubation | 32.2; 4.09 | 131.7 °C * day |