Aguilera, C., Mendoza, R., Rodríguez, G. and Márquez, G., 2002. Morphological description of alligator gar and tropical gar larvae, with an emphasis on growth indicators. Transactions of the American Fisheries Society, 131(5), pp.899-909.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Atractosteus spatula | Egg | Egg size after water-hardening | 4.00-4.60 | 4.3 mm |
| Atractosteus spatula | Egg | Egg adhesiveness | Adhesive | Adhesive |
| Atractosteus spatula | Egg | Oocyte diameter | 6.6 - 8.8 | 7.7 mm |
| Atractosteus spatula | Larvae | Temperature during larval development | 27+/- 1 | 27.0 °C |
| Atractosteus spatula | Larvae | Sibling intracohort cannibalism | present | Present |
| Atractosteus spatula | Larvae | Full yolk-sac resorption | 8 days | 8.0 °C * day |
| Atractosteus spatula | Larvae | Onset of exogeneous feeding | 5 days | 5.0 °C * day |