Cassou, A-I. and Le Louarn, H. (1991) Etude de la reproduction de l'able de Heckel (Leucaspius delineatus) dans un étang breton. Bull. Fr. Pêche Pisci., pp. 109-120
| Species | Development state | Trait | Primary Data | Secondary Data |
| Leucaspius delineatus | Egg | Oocyte diameter | 1.4 | 1.4 mm |
| Leucaspius delineatus | Egg | Egg Buoyancy | Demersal | Demersal |
| Leucaspius delineatus | Egg | Egg adhesiveness | Sticky | Adhesive |
| Leucaspius delineatus | Egg | Degree-days for incubation | 100-130 | 115.0 °C * day |
| Leucaspius delineatus | Female | Oocyte development | Three kind of ovocytes during the spanwing season | No category |
| Leucaspius delineatus | Female | Maximum GSI value | Mean about 13%, up to 16% [In May] | 13.0 percent |
| Leucaspius delineatus | Spawning conditions | Spawning season | June to August | ['June', 'July', 'August'] |
| Leucaspius delineatus | Spawning conditions | Spawning period duration | 8 [From May, 17 to July, 16] | 8.0 weeks |
| Leucaspius delineatus | Spawning conditions | Spawning temperature | 15-20 | 17.5 °C |
| Leucaspius delineatus | Spawning conditions | Spawning substrate | Large leafs, around stems, and floatings objects | No category |
| Leucaspius delineatus | Spawning conditions | Spawning site preparation | Kind of a nest | No category |
| Leucaspius delineatus | Spawning conditions | Spawning release | Fractional asynchronous | Fractional |
| Leucaspius delineatus | Spawning conditions | Spawning release | Female lay one or several ribbons of eggs | Multiple |
| Leucaspius delineatus | Spawning conditions | Parental care | Male guard and ventilate the "nest" until hatching | Male parental care |