Internet, 2001



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Ameiurus nebulosus Spawning conditions Mating system Courtship consits of one fish butting the other or mouthing the head or the tail of its partner. Paired fish also show head-to-head lateral diplays, and gently undulate side by side No category
Ameiurus nebulosus Spawning conditions Parental care Both sexes are involved in nest preparation and in the care and defense of the young, although they usually have somewhat different roles. Males are often the principal care givers, aerating the developping eggs by fanning and manipulating the eggs and larvae in their mouths. Females are more frequently involved in chasing away would-be nest predators, although they may also care for the eggs. The entire period of care giving by the parents may last about one month Biparental care
Ameiurus nebulosus Spawning conditions Spawning site preparation Nests, which consists of shallow depressions or burrows, are genrally built at depths of less than 1 meter over a firm sand substratum. Both sexes are involved in nest preparation and in the care and defense of the yuong, although they usually have somewhat different roles. Nest built by both parents
Ameiurus nebulosus Spawning conditions Spawning temperature Range from 14 to 29°C 14.0 °C
Ameiurus nebulosus Egg Egg adhesiveness Adhesive Adhesive
Ameiurus nebulosus Egg Incubation time 13 days 13.0 days
Ameiurus nebulosus Egg Egg Buoyancy Demersal Demersal
Ameiurus nebulosus Egg Oocyte diameter About 3 mm in diameter 3.0 mm
Ameiurus nebulosus Spawning conditions Spawning season Begins in April or May ['April', 'May']
Ameiurus nebulosus Larvae Initial larval size 6-8 7.0 mm
Ameiurus nebulosus Spawning conditions Spawning release Females deposit all of their annual production of ripe eggs in the nest of a single male. Males apparently spawn with only one female during a single breeding season Total