Calta, M. (2000) Morphological development and growth of chub, Leuciscus cephalus (L.), larvae. J. Appl. Ichthyol., pp. 83-85
Species | Development state | Trait | Primary Data | Secondary Data |
Leuciscus cephalus | Egg | Egg size after water-hardening | 1.8 ± 0.2 [Newly fertilized eggs stripped from a female, n=20] | 1.8 mm |
Leuciscus cephalus | Egg | Egg Buoyancy | Dermersal, negatively buoyant | Demersal |
Leuciscus cephalus | Egg | Egg adhesiveness | Adhesive [attached to the bottom of the haching tray during the incubation period] | Adhesive |
Leuciscus cephalus | Egg | Temperature for incubation | 17 ± 1°C | 17.0 °C |
Leuciscus cephalus | Larvae | Initial larval size | 6.3-6.8 | 6.55 mm |
Leuciscus cephalus | Larvae | Larvae behaviour | Newly hatched larvae stayed mainly motionless at the bottom of the tank; however time to time performed short and sudden jerky anguilliform movements [Schooling behavior for the entire period of larvae and juvenile development] | Demersal |
Leuciscus cephalus | Larvae | Temperature during larval development | 17 ± 1 | 17.0 °C |
Leuciscus cephalus | Larvae | Full yolk-sac resorption | About 130 [8 days at 17 °C] | 130.0 °C * day |
Leuciscus cephalus | Larvae | Onset of exogeneous feeding | About 130 [8 days at 17 °C] | 130.0 °C * day |
Leuciscus cephalus | Spawning conditions | Spawning migration distance | Adults ascends the stream to spawn, often having to cross barriers and lead up waterfalls; population of adults can remain in the stream troughout the year | No data |
Leuciscus cephalus | Spawning conditions | Spawning migration period | Near the onset of reproduction | No data |
Leuciscus cephalus | Spawning conditions | Spawning season | April to Mid-June | ['April', 'May', 'June'] |
Leuciscus cephalus | Spawning conditions | Spawning water type | Relatively swift-flowing streams | Flowing or turbulent water |
Leuciscus cephalus | Spawning conditions | Spawning substrate | Rheophilous, gravel | Lithophils |
Leuciscus cephalus | Spawning conditions | Spawning release | Fractional spawner | Fractional |