Vetemaa, M. and Kalda, R. and Tambets, M. (2008) Success of embryonic development of reciprocal hybrids of bream Abramis brama (L.) and white bream Blicca bjoerkna (L.). Journal of Fish Biology, pp. 1787-1791
| Species | Development state | Trait | Primary Data | Secondary Data |
| Blicca bjoerkna | Egg | Temperature for incubation | Embryos from female bream (both fertilized with males of bream and white bream) were kept at 10-15°C, and embryos from female wite bream (both fertilized with males of bream and white bream) at 15-17°C, which corresponded to the water temperature at their natural spawning grounds | 12.5 °C |
| Blicca bjoerkna | Spawning conditions | Spawning season | The experiments with female bream eggs were started on 24 May (three females) and 29 May (three females) and with female white bream eggs on 5 June (four females) due to the earlier spawning of bream in Estonia […] White bream starts spawning 2-3 weeks later than bream, usually at water temperature of 16-18°C, and spawning can last until the middle of July | ['May', 'June', 'July'] |
| Blicca bjoerkna | Spawning conditions | Spawning temperature | 16-18°C | 17.0 °C |
| Blicca bjoerkna | Spawning conditions | Spawning water type | Spawning grounds of white bream in Estonia are usually shallow water areas among roots of reed and rush, lifted by the ice. | No category |
| Blicca bjoerkna | Spawning conditions | Spawning depth | Shallow water areas | No data |
| Blicca bjoerkna | Spawning conditions | Spawning substrate | Among roots of reed and rush | No category |
| Abramis brama | Egg | Temperature for incubation | Embryos from female bream (both fertilized with males of bream and white bream) were kept at 10-15°C, and embryos from female wite bream (both fertilized with males of bream and white bream) at 15-17°C, which corresponded to the water temperature at their natural spawning grounds | 12.5 °C |
| Abramis brama | Spawning conditions | Spawning season | The experiments with female bream eggs were started on 24 May (three females) and 29 May (three females) and with female white bream eggs on 5 June (four females) due to the earlier spawning of bream in Estonia […] The spawning of bream in south-east Estonia usually begins at the water temperature of c. 13°C, in most cases in the second half of May | ['May', 'June'] |
| Abramis brama | Spawning conditions | Spawning temperature | Above 13°C | 13.0 °C |
| Abramis brama | Spawning conditions | Spawning water type | Spawning grounds of bream in Estonia as relatively shallow places on water plants, e.g. dead Carex sp. | Stagnant water |
| Abramis brama | Spawning conditions | Spawning depth | Spawning grounds of bream in Estonia as relatively shallow places | No data |
| Abramis brama | Spawning conditions | Spawning substrate | On water plants, e.g. dead Carex sp. | Phytophils |