Bohlen, 1999



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Cobitis taenia Spawning conditions Mating system By pair, but mate with several males and females Monogamy
Cobitis taenia Spawning conditions Nycthemeral period of oviposition Second half of the night : between 0000 h and 0600 h Night
Cobitis taenia Spawning conditions Spawning substrate The eggs are placed precisely and exclusively inot one specific substrate : dense vegetation [Experimental conditions] Phytophils
Cobitis taenia Spawning conditions Spawning temperature 18-28 23.0 °C
Cobitis taenia Spawning conditions Spawning period duration 14-17 [Experimental conditions] but about 8 in Natural conditions [From End-May to End-July] 15.5 weeks
Cobitis taenia Egg Egg adhesiveness Nonadhesive eggs Non-Adhesive
Cobitis taenia Egg Incubation time 2-4 at 21°C 3.0 days
Cobitis taenia Egg Degree-days for incubation 43-52 [At 21°C] 47.5 °C * day
Cobitis taenia Egg Temperature for incubation Eggs were incubated at temperatures between 20 and 25°C 20.0 °C
Cobitis taenia Egg Egg size after water-hardening 2.54 ± 0.22 2.54 mm
Cobitis taenia Egg Egg Buoyancy Demersal [Fall through the gauze into the box] Demersal
Cobitis taenia Egg Oocyte diameter 1.14 ± 0.07 only for yolk 1.14 mm
Cobitis taenia Female Absolute fecundity 2.905 ± 0.071- 4.282 ± 0.954 2.905 thousand eggs
Cobitis taenia Spawning conditions Spawning season Mid-April to Mid-August [Experimental conditions] ['April', 'August']
Cobitis taenia Larvae Onset of exogeneous feeding 120-140 [20°C]. Exogenous feeding started at 6-7 days at 20°C 130.0 °C * day
Cobitis taenia Larvae Initial larval size 5.03 ± 0.34 5.03 mm
Cobitis taenia Spawning conditions Spawning release Batch or fractional spawner, enables the fish to extend the reproductive period Ambiguous