Diamond, 1985



Citation


Diamond, M. (1985) Some observations of spawning by roach, Rutilus rutilus L., and bream, Abramis brama L., and their implications for management. Aquaculture and Fisheries management, pp. 359-367

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Rutilus rutilus Spawning conditions Mating system Spawning usually take place when the female had one to six (generally two or three) males in close attendance swimming alonside or just behind her (more details in the article). No category
Rutilus rutilus Spawning conditions Nycthemeral period of oviposition Morning, most spawning took place before 1600 hours with infrequent spawning until 2100 hours Day
Rutilus rutilus Spawning conditions Parental care No, after spawning the shoal dispersed No category
Abramis brama Spawning conditions Spawning substrate Only spawned on adventitious roots of willow No category
Rutilus rutilus Spawning conditions Spawning substrate Above and around plants Phytophils
Rutilus rutilus Spawning conditions Spawning site preparation No No category
Abramis brama Spawning conditions Spawning temperature 14-17.2 15.6 °C
Rutilus rutilus Spawning conditions Spawning temperature 14-17.2°C in the Lake and 16.2°C and 17.4°C in the canal 15.6 °C
Rutilus rutilus Spawning conditions Spawning water type Canal Stagnant water
Abramis brama Spawning conditions Spawning depth In shallow waters < 30 cm 30.0 m
Rutilus rutilus Spawning conditions Spawning depth Near the surface No data
Rutilus rutilus Egg Egg adhesiveness Adhere on plants Adhesive
Abramis brama Egg Incubation time 9 [14.2°] 9.0 days
Rutilus rutilus Egg Incubation time Vast majority hatch in one day but can occur after 6 days at a mean temperature of 15.7°C and after 12 days at 14.5°C 6.0 days
Abramis brama Egg Degree-days for incubation 130 130.0 °C * day
Rutilus rutilus Egg Degree-days for incubation 130 130.0 °C * day
Rutilus rutilus Egg Temperature for incubation 14-15 14.5 °C
Rutilus rutilus Spawning conditions Spawning season Start at May, 25 until May, 27 when the shoal dispersed, in the lake the roach spawned for at least 4 days, and one year later they spawned intermittently over a period of 19 days ['May']
Rutilus rutilus Spawning conditions Homing "Roach have ""fixed spawning grounds"", which they use annualy" Present
Rutilus rutilus Spawning conditions Spawning release Once, no evidence of further spawning No category
Rutilus rutilus Spawning conditions Parity Iteroparous Iteroparous