No detailed citation.
Species | Development state | Trait | Primary Data | Secondary Data |
Abramis brama | Egg | Oocyte diameter | 1.62-1.82 [Mature eggs] | 1.72 mm |
Abramis brama | Egg | Egg size after water-hardening | Average 2.1 [After swelling] | 2.1 mm |
Abramis brama | Egg | Egg adhesiveness | Adhesive [Adhere and develop on plants] | Adhesive |
Abramis brama | Egg | Incubation time | 4-8 up to 11 [At 11°C] | 6.0 days |
Abramis brama | Egg | Temperature for incubation | Optimum: 14-15, varie from 11-23 [At 6: considerable losses, and 28 is lethal] | 14.5 °C |
Abramis brama | Egg | Degree-days for incubation | 60-120 | 90.0 °C * day |
Abramis brama | Larvae | Initial larval size | 4.57-5.30 | 4.94 mm |
Abramis brama | Larvae | Larvae behaviour | Larvae motionless, attached to vegetation or resting on bottom. Feed only on yolk | Demersal |
Abramis brama | Larvae | Temperature during larval development | 17-20 | 18.5 °C |
Abramis brama | Larvae | Full yolk-sac resorption | 120-140 [6-8 days at 17-20°C] | 130.0 °C * day |
Abramis brama | Larvae | Onset of exogeneous feeding | 120-140 [6-8 days at 17-20°C] | 130.0 °C * day |
Abramis brama | Female | Age at sexual maturity | 3-4 [Southern Europe], 6-10 [Nothern Europe] | 3.5 year |
Abramis brama | Female | Length at sexual maturity | 25-30 [Full range 12-30] | 27.5 cm |
Abramis brama | Female | Weight at sexual maturity | 0.25-0.4 [Both sex !] | 0.33 kg |
Abramis brama | Female | Relative fecundity | Mean range from 113-260 [Complete range of 97-200, not indicated for all populations] | 186.5 thousand eggs/kg |
Abramis brama | Female | Absolute fecundity | Mean of 92-218 [2-941 are the highest variation] | 155.0 thousand eggs |
Abramis brama | Female | Maximum GSI value | Mean of 16.8-21 [Up to 23.8] | 18.9 percent |
Abramis brama | Male | Age at sexual maturity | 2-3 [Southern region] to 6-8 [Nothern region] | 2.5 years |
Abramis brama | Male | Length at sexual maturity | 25-30 [Full range 9-30] | 27.5 cm |
Abramis brama | Male | Weight at sexual maturity | 0.25-0.4 [Full range 0.1-0.5] | 0.33 kg |
Abramis brama | Male | Maximum GSI value | Mean of 2.8-3.4 [Up to 4.6] | 3.1 percent |
Abramis brama | Spawning conditions | Spawning migration distance | Most of the population does not migrate for long distances | No data |
Abramis brama | Spawning conditions | Spawning migration period | The spring migration begins with the melting of ice on the sea, the first group strat their upstream migration at the begnning of April, while the second and larger run lasting for 15-30 days begins when the water of the river reaches 8°C | ['April', 'May', 'June'] |
Abramis brama | Spawning conditions | Spawning season | April to June | ['April', 'May', 'June'] |
Abramis brama | Spawning conditions | Spawning period duration | 3 to 40 days [During warm and calm weather, bream spawn in masses in a short time (2-3 days) but longer under bad conditions, males are ready to spawn first and remain longer on the spawning grounds] | 2.5 weeks |
Abramis brama | Spawning conditions | Spawning temperature | Most common is 16-18 [12-13 is the lowest temperature, highest being 27°C] | 17.0 °C |
Abramis brama | Spawning conditions | Spawning water type | Sheltered places, where the water is either still or the current is weak | Flowing or turbulent water |
Abramis brama | Spawning conditions | Spawning depth | Most common is 20 to 80 cm [From 9 cm to 17 m] | 17.0 m |
Abramis brama | Spawning conditions | Spawning substrate | Generally phytophilous: flooded land plants, remains of previous year's aquatic vegetation, tree leaves, stems, and roots of emergent plants, algae, submerged macophytes | Phytophils |
Abramis brama | Spawning conditions | Spawning site preparation | No, eggs are deposited on plants nut male defends its teritory and when another male appears there is intensive slashing | Susbtrate chooser |
Abramis brama | Spawning conditions | Nycthemeral period of oviposition | Day and night, becoming more intensive at night [Most intensive spawning last from 10.00 to 11.00 and after a break at noon from 16.00 to 17.00] | Day |
Abramis brama | Spawning conditions | Mating system | Male and female spawn repeatedly with different partners. Mating is therefore promiscuous | Promiscuity |
Abramis brama | Spawning conditions | Spawning release | Once or repeated spawning | Total |
Abramis brama | Spawning conditions | Spawning release | In most water bodies, female spawn only once a year, but there are popualtions in which females spawn twice or even three times | Total |
Abramis brama | Spawning conditions | Parental care | Never described in the FAO Fisheries Synopsis | No category |