Abstract
Influence of Photoperiod and Shelter on Some Phenotypic Traits in African Catfish (Clarias gariepinus Burchell 1822) Larvae
Highlights
Connected to the light length period over a day
The analysis revealed that treatment had a significant (Jackman, 2017) for the ‘percentage data’ which did not comply with the (GLM: χ2=33.62 and P
Positive side of PC1, having very few overlapping with The present study demonstrated that survival, growth, and other groups, which mostly spread along the negative side body colouration of C. gariepinus larvae were directly
Summary
Connected to the light length period over a day. The intensity and increase of this ‘light time’ takes place. Photoperiod works as a Zeitgeber (cue or synchronizer), controlling regular endogenous rhythms in fish in accordance with the types of weather and seasons of the locality (Bromage et al, 2001). Photoperiod association with other synchronizers (e.g. temperature, regulates fish growth, social behaviour, metabolic rates, salinity, habitat, shelter, dissolved oxygen, pH, water locomotion, sexual maturation, survival, reproduction and level, etc.), can influence the biological rhythm (circadian body pigmentation (colouration) (Duston and Saunder, and/or annual) of animals, and thereby affecting food. Mud practice in order to acquire better growth rates, maturation, eel (Monopterus Cuchia) and Asian catfish (Clarias spawning and accelerated development of larval fish batrachus) grow well in water hyacinth
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