Tarkan, A.S. (2006) Reproductive ecology of two cyprinid fishes in an oligotrophic lake near the southern limits of their distribution range. Ecology of Freshwater Fish, pp. 131-138
Species | Development state | Trait | Primary Data | Secondary Data |
Rutilus rutilus | Spawning conditions | Spawning temperature | From early April (13°C) to late May (18°C) [review from other populations: 10, 8-10, 11-19, 12, 16-17.8, 14, 14, and 6-10] | 9.0 °C |
Scardinius erythrophthalmus | Spawning conditions | Spawning temperature | From early May (17.5°C) to late June (23.5°C) [review from other populations: 17.5-23.5, 21.9-24.4, 10, 18-20 and 18-25] | 20.5 °C |
Rutilus rutilus | Spawning conditions | Spawning period duration | From 1 to 3 months [4 populations at 4 weeks, one at 8 weeks and two few days] | 1.0 weeks |
Scardinius erythrophthalmus | Spawning conditions | Spawning period duration | From 1 to 3 months, but all three populations 4 weeks and among them one few days] | 1.0 weeks |
Rutilus rutilus | Female | Maximum GSI value | About 11% in 2001 and 15% in 2002 [End of April] | 11.0 percent |
Scardinius erythrophthalmus | Female | Maximum GSI value | About 12.5 in 2001 and 14.5% in 2002 [May] | 12.5 percent |
Rutilus rutilus | Male | Onset of spermatogenesis | September to October | ['October', 'September'] |
Scardinius erythrophthalmus | Male | Onset of spermatogenesis | October | ['October'] |
Rutilus rutilus | Male | Maximum GSI value | About 7.5% in 2001 and 8% in 2002 [April] | 7.5 percent |
Scardinius erythrophthalmus | Male | Maximum GSI value | About 7% in 2001 and 9% in 2002 [In May] | 7.0 percent |
Rutilus rutilus | Female | Age at sexual maturity | The sizes at 50% maturity correponds to 3 years of age for both sexes of roach [Review from other populations: 3, 1, 2-3, 3-4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 3, 2 and 4]] | 2.5 years |
Scardinius erythrophthalmus | Female | Age at sexual maturity | The sizes at 50% maturity correponds to 1 year of age for both sexes of roach [review from other populations: 1, 1-2, 2, 2, 3-4, 1 and 3] | 1.5 years |
Rutilus rutilus | Female | Resting period | May to June, July and stops in August [From graph] | No data |
Scardinius erythrophthalmus | Female | Resting period | From June to September | No data |
Rutilus rutilus | Male | Main spermatogenesis activity | Increase regularly from October to April, slight increase in February-March | ['February', 'October', 'April', 'March'] |
Scardinius erythrophthalmus | Male | Main spermatogenesis activity | Increase regularly during tyhe winter until 4% in April, then rise sharply in April | ['February', 'April', 'March', 'January'] |
Rutilus rutilus | Female | Onset of oogenesis | September-October, increase in GSI (Graph) | ['October', 'September'] |
Scardinius erythrophthalmus | Female | Onset of oogenesis | September-October, slight increase (from graph) | ['October', 'September'] |
Rutilus rutilus | Female | Intensifying oogenesis activity | Increase until 6 in January then a sharp increase from 6 to max value in February-March | ['February', 'March', 'January'] |
Scardinius erythrophthalmus | Female | Intensifying oogenesis activity | Increase regularly until April at 6%, then rise sharply until max value | ['April'] |
Rutilus rutilus | Male | Resting period | June, July and August | No data |
Rutilus rutilus | Egg | Oocyte diameter | 1.62 ± 0.3 and 1. 75 ± 0.4 [Mean high egg diameter] | 1.62 mm |
Scardinius erythrophthalmus | Egg | Oocyte diameter | 1.12 ± 0.2 and 1. 20 ± 0.3 [Mean high egg diameter] | 1.12 mm |
Rutilus rutilus | Female | Absolute fecundity | Varied from 7.829 to 95.387 eggs between ages 3 and 9 [Review from other populations: 7.829-95.387, 0.92-32.810, mean of 18.519,3.031-43.649, 2.2, 6.8-210, mean of 49.354, mean of 11.053, mean of 16.262, mean of 16.539, 4.251-11.180, mean of 9.506, 4.435-19.065, 3.4-272.8, 7.2-52.4, mean of 25.565, 1.98-13.59] | 51.608 thousand eggs |
Scardinius erythrophthalmus | Female | Absolute fecundity | Varied from 1.807 to 35.629 eggs between ages 1 and 7 [Review from other populations: 1.807-35.629, 4.38758.895, 0.563-12.284, 23.019-59.248, 96-232] | 18.718 thousand eggs |
Rutilus rutilus | Spawning conditions | Spawning season | The spawning occurs in early April to late May | ['April', 'May'] |
Scardinius erythrophthalmus | Spawning conditions | Spawning season | The spawning extends from early May to late June | ['May', 'June'] |
Rutilus rutilus | Female | Length at sexual maturity | 14.98 for LT50 [Review for other populations: 10.6 (TL), 8.1-9 (SL), 13.5-15.3 (SL), 10-11 (TL)] | 8.55 cm |
Scardinius erythrophthalmus | Female | Length at sexual maturity | 8.10 for LT50 [Review for other populations: 17-29 (TL)] | 23.0 cm |
Rutilus rutilus | Male | Length at sexual maturity | 12.26 for LT50 [Review from other populations: 7.4 (TL), 6.3-7.0 SL), 11-13.5 (SL) and 9-10 (SL)] | 6.65 cm |
Scardinius erythrophthalmus | Male | Length at sexual maturity | 7.12 for LT50 [Review from other populations: 17-29 (SL)] | 23.0 cm |
Rutilus rutilus | Female | Age at sexual maturity | The sizes at 50% maturity correponds to 3 years of age for both sexes of roach [Review from other populations: 3, 2, 2-3, 3-4, 3, 3, 3, 3, 3,3,3,3, 2, 4.5, 2 and 5] | 2.5 year |
Scardinius erythrophthalmus | Female | Age at sexual maturity | The sizes at 50% maturity correponds to 1 year of age for both sexes of roach [review from other populations: 1, 1-2, 3, 2, 3-4, 2, 3] | 1.5 year |
Rutilus rutilus | Spawning conditions | Spawning release | Synchronous type of spawning has been reported | No category |
Scardinius erythrophthalmus | Spawning conditions | Spawning release | Synchronous type of spawning has been reported [Yet in some areas, rudd has asynchronous ovogenesis and shed the eggs over several months, spawn two batches of eggs int he absence of suitable conditions (particularly temperature) for spawning, the female remain throughout the spawning period with unspawned sexual products] | Mutliple |