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Does different tank bottom colour affect the growth, survival and foraging behaviour of Atlantic cod (Gadus morhua) larvae? |
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| Authors: | Jennifer Monk Velmurugu Puvanendran Joseph A Brown |
| Institution: | aOcean Sciences Centre, Memorial University of Newfoundland, St John's, Newfoundland, Canada A1C5S7 bNorwegian Institute of Fisheries and Aquaculture, Muninbakken 9-13, 9291 Tromsø, Norway |
| Abstract: | 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. |
| Keywords: | Atlantic cod Growth Background colour Larvae |
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