Makeeva and Emel'yanova, 1993


Makeeva, A.P. and Emel'yanova, N.G. (1993) Early development of the channel catfish, Ictularus punctatus. Journal of Ichthyology, pp. 87-103

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Ictalurus punctatus Egg Egg size after water-hardening 3.9 [The diameter of the egg membrane after activation] 3.9 mm
Ictalurus punctatus Egg Egg adhesiveness Highly viscous and they stick together Adhesive
Ictalurus punctatus Egg Incubation time 4.5 [At 28-29°C], 5 [26-28°C] 28.5 days
Ictalurus punctatus Egg Degree-days for incubation 130-140 135.0 °C * day
Ictalurus punctatus Larvae Initial larval size 7-7.5 7.25 mm
Ictalurus punctatus Larvae Larvae behaviour All prelarvae are in contact with one another Demersal
Ictalurus punctatus Larvae Reaction to light The prelarvae avoid bright light and are indifferent to diffuse light [The larvae are strongly negatively phototaxic and remain in a group in the darkest places or hide under stones] Photophobic
Ictalurus punctatus Larvae Temperature during larval development 27-28 27.5 °C
Ictalurus punctatus Larvae Full yolk-sac resorption 448 448.0 °C * day
Ictalurus punctatus Larvae Onset of exogeneous feeding 700 700.0 °C * day
Ictalurus punctatus Spawning conditions Parental care The males guarding their own egg masses express aggressive behavior Male parental care