Kilambi, R.V. and Zdinak, A. (1981) Comparison of early developmental stages and adults of grass carp, Ctenopharyngodon idella, and hybrid carp (female grass carp x male bighead Aristichthys nobilis). J. Fish Biol., pp. 457-465
| Species | Development state | Trait | Primary Data | Secondary Data | 
| Aristichthys nobilis | Egg | Egg size after water-hardening | 3.41 (2.67-3.93) at 19 May & 3.99 (3.67-4.27) at 20 May BUT hybrid between female grass carp and male bighhead | 3.3 mm | 
| Aristichthys nobilis | Egg | Incubation time | Hatching occurred within 48 h after fertilization at 24.5°C | 48.0 days | 
| Aristichthys nobilis | Egg | Temperature for incubation | 24.5 [Reared conditions] | 24.5 °C | 
| Aristichthys nobilis | Larvae | Initial larval size | 5.72 (range 5-.67-5.80) BUT hybrid between female grass carp and male bighhead | 36.4 mm | 
| Aristichthys nobilis | Larvae | Temperature during larval development | 24.5 [Reared conditions] | 24.5 °C | 
| Ctenopharyngodon idella | Egg | Egg size after water-hardening | 3.81 (3.27-4-.18) at 19 May & 4.09 (3.87-4.40) at 20 May | 3.63 mm | 
| Ctenopharyngodon idella | Egg | Incubation time | Hatching occurred within 48 h after fertilization [At 24.5°C] | 48.0 days | 
| Ctenopharyngodon idella | Egg | Temperature for incubation | 24.5 [Reared conditions] | 24.5 °C | 
| Ctenopharyngodon idella | Egg | Degree-days for incubation | Hatching occurred within 48 h after fertilization [At 24.5°C] | 48.0 °C * day | 
| Ctenopharyngodon idella | Larvae | Initial larval size | Mean 5.48, range 5.40-5.67 | 5.54 mm | 
| Ctenopharyngodon idella | Larvae | Temperature during larval development | 24.5 [Reared conditions] | 24.5 °C |