Van Houdt, J. (2003) A mitogenic view on the origin and evolutionary history of the only freshwater gadoid (burbot, Lota lota). Katholieke Universiteit Leuven
Species | Development state | Trait | Primary Data | Secondary Data |
Lota lota | Egg | Egg Buoyancy | Semi-buoyant [easily transported by slight water movements] | Pelagic |
Lota lota | Egg | Degree-days for incubation | 112-200 | 156.0 °C * day |
Lota lota | Larvae | Larvae behaviour | Small pelagic larvae | Pelagic |
Lota lota | Female | Age at sexual maturity | 4+ | 4.0 year |
Lota lota | Female | Length at sexual maturity | 32-34 [Sex not specified] | 33.0 cm |
Lota lota | Female | Relative fecundity | 500-1000 | 750.0 thousand eggs/kg |
Lota lota | Male | Age at sexual maturity | 3+ | 3.0 years |
Lota lota | Male | Length at sexual maturity | 32-34 [sex not specified] | 33.0 cm |
Lota lota | Spawning conditions | Spawning migration distance | Spawning is often preceed by a spawning migration over long distances: sometimes up to 400 km [but could be less than 10 km] | 400.0 km |
Lota lota | Spawning conditions | Homing | Migrate to their "home stream" every year | Present |
Lota lota | Spawning conditions | Spawning season | November to March | ['January', 'February', 'March', 'November'] |
Lota lota | Spawning conditions | Spawning period duration | Males are usually present first in the spawning area | No data |
Lota lota | Spawning conditions | Spawning temperature | 0.5-4 | 2.25 °C |
Lota lota | Spawning conditions | Spawning depth | Shallow water: 2-3 deep | 2.5 m |
Lota lota | Spawning conditions | Spawning substrate | Clear substrate of sand or gravel | Lithophils |
Lota lota | Spawning conditions | Nycthemeral period of oviposition | Always occur at night | Night |
Lota lota | Spawning conditions | Mating system | Communal process, up to 20 or so individuals | Promiscuity |