Does different tank bottom colour affect the growth, survival and foraging behaviour of Atlantic cod ( Gadus morhua) larvae?

We examined the foraging behaviour, growth and survival of Atlantic cod ( Gadus morhua) larvae in two different colours of tank bottom; either beige (light hereafter) or black (dark hereafter) bottomed tanks with black walls. Results showed no significant differences in the growth, foraging behaviou...

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Bibliographic Details
Published in:Aquaculture 2008-06, Vol.277 (3), p.197-202
Main Authors: Monk, Jennifer, Puvanendran, Velmurugu, Brown, Joseph A.
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal aquaculture
Animal behavior
animal growth
Animal productions
Animal, plant and microbial ecology
Aquaculture
aquaculture tanks
Atlantic cod
Background colour
Biological and medical sciences
Cod
feeding behavior
fish culture
fish larvae
Foraging behavior
Fundamental and applied biological sciences. Psychology
Gadus morhua
General aspects
Growth
Larvae
Marine
mortality
Sea water ecosystems
Survival analysis
Synecology
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Summary:We examined the foraging behaviour, growth and survival of Atlantic cod ( Gadus morhua) larvae in two different colours of tank bottom; either beige (light hereafter) or black (dark hereafter) bottomed tanks with black walls. Results showed no significant differences in the growth, foraging behaviour, or survival of Atlantic cod larvae in response to tank bottom colour indicating that larvae could be reared in lighter bottom tanks without any detrimental effect to the larvae. Using a light bottom tank is also of greater benefit to the culturist as they provide better contrast to monitor the behavioural and morphological development of the larvae.
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2008.02.018