Kestemont, P. (2001) Le vairon Phoxinus phoxinus., pp. 192-193
| Species | Development state | Trait | Primary Data | Secondary Data |
| Blicca bjoerkna | Egg | Oocyte diameter | 1-1.5 | 1.25 mm |
| Blicca bjoerkna | Egg | Egg adhesiveness | Adhesive [Stick to plants] | Adhesive |
| Blicca bjoerkna | Female | Age at sexual maturity | 2-4 [Sex not specified] | 3.0 year |
| Blicca bjoerkna | Female | Relative fecundity | 70-140 | 105.0 thousand eggs/kg |
| Blicca bjoerkna | Female | Oocyte development | Group-synchronous | Group-synchronous |
| Blicca bjoerkna | Male | Age at sexual maturity | 2-4 [Sex not specified] | 3.0 years |
| Blicca bjoerkna | Spawning conditions | Spawning season | Starts in May-June and ends up to July | ['May', 'June', 'July'] |
| Blicca bjoerkna | Spawning conditions | Spawning temperature | 16-25 | 20.5 °C |
| Blicca bjoerkna | Spawning conditions | Spawning substrate | Phytophil : plants | Phytophils |
| Blicca bjoerkna | Spawning conditions | Spawning release | Multiple spawner: Batches of 8000-15000 eggs | Multiple |
| Leuciscus idus | Egg | Egg size after water-hardening | 2.5 [Not specified] | 2.5 mm |
| Leuciscus idus | Larvae | Initial larval size | 10 [Not specified if newly hatched] | 10.0 mm |
| Leuciscus idus | Female | Age at sexual maturity | 2-5 [Sex no specified] | 3.5 year |
| Leuciscus idus | Female | Weight at sexual maturity | 0.4 [Sex no specified] | 0.4 kg |
| Leuciscus idus | Female | Relative fecundity | 120-160 | 140.0 thousand eggs/kg |
| Leuciscus idus | Female | Absolute fecundity | 60 [For female of 0.5 kg] to 160 [For female of 0.5-2 kg] | 1.25 thousand eggs |
| Leuciscus idus | Male | Age at sexual maturity | 2-5 [Sex no specified] | 3.5 years |
| Leuciscus idus | Male | Weight at sexual maturity | 0.4 [Sex no specified] | 0.4 kg |
| Leuciscus idus | Spawning conditions | Spawning season | March-April | ['March', 'April'] |
| Leuciscus idus | Spawning conditions | Spawning temperature | 4-15, but rarely above 12-13°C | 9.5 °C |
| Leuciscus idus | Spawning conditions | Spawning substrate | Stones, sand or with plants | Phytophils |
| Leuciscus idus | Spawning conditions | Spawning release | Once a year | Total |
| Phoxinus phoxinus | Larvae | Initial larval size | 10-12 [Not specified] | 11.0 mm |
| Phoxinus phoxinus | Female | Age at sexual maturity | 2-3 [Female] | 2.5 year |
| Phoxinus phoxinus | Female | Absolute fecundity | 0.2-0.5 [Small individuals] to 2.5-3 [Bigger individuals] | 0.35 thousand eggs |
| Phoxinus phoxinus | Male | Age at sexual maturity | 1-2 [Male] | 1.5 years |
| Phoxinus phoxinus | Spawning conditions | Spawning season | From April to July, sometimes August [with a peak in May-June] | ['April', 'May', 'June', 'July', 'August'] |
| Phoxinus phoxinus | Spawning conditions | Spawning substrate | Clean and well-oxygenated gravels | Lithophils |
| Phoxinus phoxinus | Spawning conditions | Spawning site preparation | No, female lays their eggs on substrates | Susbtrate chooser |
| Phoxinus phoxinus | Spawning conditions | Spawning release | Multiple and fractional spawning | Multiple |
| Phoxinus phoxinus | Spawning conditions | Parental care | Eat his own eggs | No category |