de Gaudemar et Beall, 1999



Citation


de Gaudemar, B. and Beall, E. (1999) Reproductive behavioural sequences of single pairs of Atlantic salmon in an experimental stream. Anim Behav., pp. 1207-1217

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Salmo salar Spawning conditions Nycthemeral period of oviposition The average time between two successive ovipositions was 9 h 22 min ± 3 j 5 min (N=12). However, females were generally inactive during the day, except for four fish whci hsometimes bred continuously throughout the photophase (14 out of the 75 ovitpositions were observed by day] Day
Salmo salar Spawning conditions Spawning site preparation Females bury their eggs in the gravel substrate in several excavated depression called nests [Males search for females and defend them against potential rivals by attacks and threat displays but do not participate in the choice and construction of redds] Ambiguous